The following are given passages.
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Daylight saving time
Daylight saving time (DST), also referred to as daylight savings time, daylight time (United States, Canada, and Australia), or summer time (United Kingdom, European Union, and others), is the practice of advancing clocks (typically by one hour) during warmer months so that darkness falls at a later clock time. The typical implementation of DST is to set clocks forward by one hour in either the late winter or spring ("spring forward"), and to set clocks back by one hour in the fall ("fall back") to return to standard time. As a result, there is one 23-hour day in early spring and one 25-hour day in the middle of autumn.
The idea of aligning waking hours to daylight hours to conserve candles was first proposed in 1784 by U.S. polymath Benjamin Franklin. In a satirical letter to the editor of The Journal of Paris, Franklin suggested that waking up earlier in the summer would economize on candle usage; and calculated considerable savings. In 1895, New Zealand entomologist and astronomer George Hudson proposed the idea of changing clocks by two hours every spring to the Wellington Philosophical Society. In 1907, British resident William Willett presented the idea as a way to save energy. After some serious consideration, it was not implemented.In 1908, Port Arthur in Ontario, Canada (today merged into Thunder Bay), started using DST. Starting on 30 April 1916, the German Empire and Austria-Hungary each organized the first nationwide implementation in their jurisdictions. Many countries have used DST at various times since then, particularly since the 1970s energy crisis. DST is generally not observed near the Equator, where sunrise and sunset times do not vary enough to justify it. Some countries observe it only in some regions: for example, parts of Australia observe it, while other parts do not. Conversely, it is not observed at some places at high latitudes, because there are wide variations in sunrise and sunset times and a one-hour shift would relatively not make much difference. The United States observes it, except for the states of Hawaii and Arizona (within the latter, however, the Navajo Nation does observe it, conforming to federal practice). A minority of the world's population uses DST; Asia, Africa, and Latin America and the Caribbean generally do not.

Rationale
Industrialized societies usually follow a clock-based schedule for daily activities that do not change throughout the course of the year. The time of day that individuals begin and end work or school, and the coordination of mass transit, for example, usually remain constant year-round. In contrast, an agrarian society's daily routines for work and personal conduct are more likely governed by the length of daylight hours and by solar time, which change seasonally because of the Earth's axial tilt. North and south of the tropics, daylight lasts longer in summer and shorter in winter, with the effect becoming greater the farther one moves away from the equator.
After synchronously resetting all clocks in a region to one hour ahead of standard time in spring in anticipation of longer daylight hours, individuals following a clock-based schedule will be awakened an hour earlier in the solar day than they would have otherwise. They will begin and complete daily work routines an hour earlier: in most cases they will have an extra hour of daylight available to them after their workday activities.Proponents of daylight saving time argue that most people prefer a greater increase in daylight hours after the typical "nine to five" workday. Supporters have also argued that DST decreases energy consumption by reducing the need for lighting and heating, but the actual effect on overall energy use is heavily disputed.The shift in apparent time is also motivated by practicality. In American temperate latitudes, for example, the sun rises around 04:30 at the summer solstice and sets around 19:30. Since most people are asleep at 04:30, it is seen as more practical to treat 04:30 as if it is 05:30, thereby allowing people to wake closer to the sunrise and be active in the evening light.
Because sunrise and sunset times become significantly out of phase with standard working hours at higher latitudes (such as Iceland, Scandinavia, and Alaska), the manipulation of time would have little effect on daily life, and thus is not practiced.DST is similarly of little use for locations near the Equator, because these regions see only a small variation in daylight in the course of the year.

Variation within a time zone
The effect of Daylight Savings Time also varies according to how far east or west the location is within its time zone, with locations farther east inside the time zone benefiting more from DST than locations farther west in the same time zone. In spite of a width spanning thousands of miles, all of China is located within a single time zone per government mandate, minimizing any potential benefit of Daylight Savings Time there.

History
Ancient civilizations adjusted daily schedules to the sun more flexibly than DST does, often dividing daylight into 12 hours regardless of daytime, so that each daylight hour became progressively longer during spring and shorter during autumn. For example, the Romans kept time with water clocks that had different scales for different months of the year; at Rome's latitude, the third hour from sunrise (hora tertia) started at 09:02 solar time and lasted 44 minutes at the winter solstice, but at the summer solstice it started at 06:58 and lasted 75 minutes. From the 14th century onward, equal-length civil hours supplanted unequal ones, so civil time no longer varied by season. Unequal hours are still used in a few traditional settings, such as monasteries of Mount Athos and in Jewish ceremonies.Benjamin Franklin published the proverb "early to bed and early to rise makes a man healthy, wealthy, and wise," and published a letter in the Journal de Paris during his time as an American envoy to France (1776–1785) suggesting that Parisians economize on candles by rising earlier to use morning sunlight. This 1784 satire proposed taxing window shutters, rationing candles, and waking the public by ringing church bells and firing cannons at sunrise. Despite common misconception, Franklin did not actually propose DST; 18th-century Europe did not even keep precise schedules. However, this changed as rail transport and communication networks required a standardization of time unknown in Franklin's day.In 1810, the Spanish National Assembly Cortes of Cádiz issued a regulation that moved certain meeting times forward by one hour from 1 May to 30 September in recognition of seasonal changes, but it did not change the clocks. It also acknowledged that private businesses were in the practice of changing their opening hours to suit daylight conditions, but they did so of their own volition.
 
New Zealand entomologist George Hudson first proposed modern DST. His shift-work job gave him leisure time to collect insects and led him to value after-hours daylight. In 1895, he presented a paper to the Wellington Philosophical Society proposing a two-hour daylight-saving shift, and considerable interest was expressed in Christchurch; he followed up with an 1898 paper. Many publications credit the DST proposal to prominent English builder and outdoorsman William Willett, who independently conceived DST in 1905 during a pre-breakfast ride when he observed how many Londoners slept through a large part of a summer day. Willett also was an avid golfer who disliked cutting short his round at dusk. His solution was to advance the clock during the summer months, and he published the proposal two years later. Liberal Party member of parliament Robert Pearce took up the proposal, introducing the first Daylight Saving Bill to the British House of Commons on 12 February 1908. A select committee was set up to examine the issue, but Pearce's bill did not become law and several other bills failed in the following years. Willett lobbied for the proposal in the UK until his death in 1915.

Port Arthur, Ontario, Canada, was the first city in the world to enact DST, on 1 July 1908. This was followed by Orillia, Ontario, introduced by William Sword Frost while mayor from 1911 to 1912. The first states to adopt DST (German: Sommerzeit) nationally were those of the German Empire and its World War I ally Austria-Hungary commencing 30 April 1916, as a way to conserve coal during wartime. Britain, most of its allies, and many European neutrals soon followed. Russia and a few other countries waited until the next year, and the United States adopted daylight saving in 1918. Most jurisdictions abandoned DST in the years after the war ended in 1918, with exceptions including Canada, the United Kingdom, France, Ireland, and the United States. It became common during World War II (some countries adopted double summer time), and was standardized in the U.S. by federal law in 1966, and widely adopted in Europe from the 1970s as a result of the 1970s energy crisis. Since then, the world has seen many enactments, adjustments, and repeals.It is a common myth in the United States that DST was first implemented for the benefit of farmers. In reality, farmers have been one of the strongest lobbying groups against DST since it was first implemented. The factors that influence farming schedules, such as morning dew and dairy cattle's readiness to be milked, are ultimately dictated by the sun, so the time change introduces unnecessary challenges.DST was first implemented in the US with the Standard Time Act of 1918, a wartime measure for seven months during World War I in the interest of adding more daylight hours to conserve energy resources. Year-round DST, or "War Time", was implemented again during World War II. After the war, local jurisdictions were free to choose if and when to observe DST until the Uniform Time Act which standardized DST in 1966.  Permanent daylight saving time was enacted for the winter of 1974, but there were complaints of children going to school in the dark and working people commuting and starting their work day in pitch darkness during the winter months, and it was repealed a year later.

Procedure
The relevant authorities usually schedule clock changes to occur at (or soon after) midnight, and on a weekend, in order to lessen disruption to weekday schedules. A one-hour change is usual, but twenty-minute and two-hour changes have been used in the past. In all countries that observe daylight saving time seasonally (i.e. during summer and not winter), the clock is advanced from standard time to daylight saving time in the spring, and they are turned back from daylight saving time to standard time in the autumn. 
For a midnight change in spring, a digital display of local time would appear to jump from 23:59:59.9 to 01:00:00.0. For the same clock in autumn, the local time would appear to repeat the hour preceding midnight, i.e. it would jump from 23:59:59.9 to 23:00:00.0.
In most countries that observe seasonal daylight saving time, the time reverts in winter to "standard time". An exception exists in Ireland, where its winter clock has the same offset (UTC±00:00) and legal name as that in Britain (Greenwich Mean Time)—but while its summer clock also has the same offset as Britain's (UTC+01:00), its legal name is Irish Standard Time as opposed to British Summer Time.Since 2019 Morocco observes daylight saving time every month but Ramadan. During the holy month (the date of which is determined by the lunar calendar and thus moves annually with regard to the Gregorian calendar), the country's civil clocks observe Western European Time (UTC+00:00, which geographically overlaps most of the nation). At the close of that month, its clocks are turned forward to Western European Summer Time (UTC+01:00).The time at which to change clocks differs across jurisdictions. Members of the European Union conduct a coordinated change, changing all zones at the same instant, at 01:00 Coordinated Universal Time (UTC), which means that it changes at 02:00 Central European Time (CET), equivalent to 03:00 Eastern European Time (EET). As a result, the time differences across European time zones remain constant. North America coordination of the clock change differs, in that each jurisdiction change at 02:00 local time, which temporarily creates an imbalance with the next time zone (until it adjusts its time, one hour later, at 2 AM there). For example, Mountain Time is for one hour in the spring two hours ahead of Pacific Time instead of the usual one hour ahead, and instead of one hour in the autumn, briefly zero hours ahead of Pacific Time.
The dates on which clocks change vary with location and year; consequently, the time differences between regions also vary throughout the year. For example, Central European Time is usually six hours ahead of North American Eastern Time, except for a few weeks in March and October/November, while the United Kingdom and mainland Chile could be five hours apart during the northern summer, three hours during the southern summer, and four hours for a few weeks per year. Since 1996, European Summer Time has been observed from the last Sunday in March to the last Sunday in October; previously the rules were not uniform across the European Union. Starting in 2007, most of the United States and Canada observed DST from the second Sunday in March to the first Sunday in November, almost two-thirds of the year. Moreover, the beginning and ending dates are roughly reversed between the northern and southern hemispheres because spring and autumn are displaced six months. For example, mainland Chile observes DST from the second Saturday in October to the second Saturday in March, with transitions at 24:00 local time. In some countries time is governed by regional jurisdictions within the country such that some jurisdictions change and others do not; this is currently the case in Australia, Canada, and the United States.From year to year, the dates on which to change clock may also move for political or social reasons. The Uniform Time Act of 1966 formalized the United States' period of daylight saving time observation as lasting six months (it was previously declared locally); this period was extended to seven months in 1986, and then to eight months in 2005. The 2005 extension was motivated in part by lobbyists from the candy industry, seeking to increase profits by including Halloween (31 October) within the daylight saving time period. In recent history, Australian state jurisdictions not only changed at different local times but sometimes on different dates. For example, in 2008 most states there that observed daylight saving time changed clocks forward on 5 October, but Western Australia changed on 26 October.

Politics, religion and sport
The concept of daylight saving has caused controversy since its early proposals. Winston Churchill argued that it enlarges "the opportunities for the pursuit of health and happiness among the millions of people who live in this country" and pundits have dubbed it "Daylight Slaving Time". Retailing, sports, and tourism interests have historically favored daylight saving, while agricultural and evening-entertainment interests (and some religious groups) have opposed it; energy crises and war prompted its initial adoption.The fate of Willett's 1907 proposal illustrates several political issues. It attracted many supporters, including Arthur Balfour, Churchill, David Lloyd George, Ramsay MacDonald, King Edward VII (who used half-hour DST or "Sandringham time" at Sandringham), the managing director of Harrods, and the manager of the National Bank Ltd. However, the opposition proved stronger, including Prime Minister H. H. Asquith, William Christie (the Astronomer Royal), George Darwin, Napier Shaw (director of the Meteorological Office), many agricultural organizations, and theatre-owners. After many hearings, a parliamentary committee vote narrowly rejected the proposal in 1909. Willett's allies introduced similar bills every year from 1911 through 1914, to no avail. People in the US demonstrated even more skepticism; Andrew Peters introduced a DST bill to the House of Representatives in May 1909, but it soon died in committee.

Germany together with its allies led the way in introducing DST (German: Sommerzeit) during World War I on 30 April 1916, aiming to alleviate hardships due to wartime coal shortages and air-raid blackouts. The political equation changed in other countries; the United Kingdom used DST first on 21 May 1916. US retailing and manufacturing interests—led by Pittsburgh industrialist Robert Garland—soon began lobbying for DST, but railroads opposed the idea. The USA's 1917 entry into the war overcame objections, and DST started in 1918.The end of World War I brought change in DST use. Farmers continued to dislike DST, and many countries repealed it—like Germany itself, which dropped DST from 1919 to 1939 and from 1950 to 1979. Britain proved an exception; it retained DST nationwide but adjusted transition dates over the years for several reasons, including special rules during the 1920s and 1930s to avoid clock shifts on Easter mornings. As of 2009 summer time began annually on the last Sunday in March under a European Community directive, which may be Easter Sunday (as in 2016). In the U.S., Congress repealed DST after 1919. President Woodrow Wilson—an avid golfer like Willett—vetoed the repeal twice, but his second veto was overridden. Only a few U.S. cities retained DST locally, including New York (so that its financial exchanges could maintain an hour of arbitrage trading with London), and Chicago and Cleveland (to keep pace with New York). Wilson's successor as president, Warren G. Harding, opposed DST as a "deception", reasoning that people should instead get up and go to work earlier in the summer. He ordered District of Columbia federal employees to start work at 8 am rather than 9 am during the summer of 1922. Some businesses followed suit, though many others did not; the experiment was not repeated.Since Germany's adoption of DST in 1916, the world has seen many enactments, adjustments, and repeals of DST, with similar politics involved. The history of time in the United States features DST during both world wars, but no standardization of peacetime DST until 1966. St. Paul and Minneapolis, Minnesota, kept different times for two weeks in May 1965: the capital city decided to switch to daylight saving time, while Minneapolis opted to follow the later date set by state law. In the mid-1980s, Clorox and 7-Eleven provided the primary funding for the Daylight Saving Time Coalition behind the 1987 extension to U.S. DST. Both senators from Idaho, Larry Craig and Mike Crapo, voted for it based on the premise that fast-food restaurants sell more French fries (made from Idaho potatoes) during DST.A referendum on the introduction of daylight saving took place in Queensland, Australia, in 1992, after a three-year trial of daylight saving. It was defeated with a 54.5% "no" vote, with regional and rural areas strongly opposed, and those in the metropolitan southeast in favor.In 2003, the United Kingdom's Royal Society for the Prevention of Accidents supported a proposal to observe year-round daylight saving time, but it has been opposed by some industries, by some postal workers and farmers, and particularly by those living in the northern regions of the UK.In 2005 the Sporting Goods Manufacturers Association and the National Association of Convenience Stores successfully lobbied for the 2007 extension to U.S. DST.In December 2008 the Daylight Saving for South East Queensland (DS4SEQ) political party was officially registered in Queensland, advocating the implementation of a dual-time-zone arrangement for daylight saving in South East Queensland, while the rest of the state maintained standard time. DS4SEQ contested the March 2009 Queensland state election with 32 candidates and received one percent of the statewide primary vote, equating to around 2.5% across the 32 electorates contested. After a three-year trial, more than 55% of Western Australians voted against DST in 2009, with rural areas strongly opposed. Queensland Independent member Peter Wellington introduced the Daylight Saving for South East Queensland Referendum Bill 2010 into the Queensland parliament on 14 April 2010, after being approached by the DS4SEQ political party, calling for a referendum at the next state election on the introduction of daylight saving into South East Queensland under a dual-time-zone arrangement. The Queensland parliament rejected Wellington's bill on 15 June 2011.Russia declared in 2011 that it would stay in DST all year long (UTC+4:00); Belarus followed with a similar declaration. (The Soviet Union had operated under permanent "summer time" from 1930 to at least 1982.) Russia's plan generated widespread complaints due to the dark of winter-time mornings, and thus was abandoned in 2014. The country changed its clocks to standard time (UTC+3:00) on 26 October 2014, intending to stay there permanently.In the United States, Arizona (with the exception of the Navajo Nation), Hawaii, and the five populated territories (American Samoa, Guam, Puerto Rico, the Northern Mariana Islands, and the US Virgin Islands) do not participate in daylight saving time. Indiana only began participating in daylight saving time as recently as 2006. Since 2018, Florida Republican Senator Marco Rubio has repeatedly filed bills to extend daylight saving time permanently into winter, without success.Mexico observed summertime daylight saving time starting in 1996. In late 2022, the nation's clocks "fell back" for the last time, in restoration of permanent standard time.

Religion
Some religious groups and individuals have opposed DST on religious grounds. For religious Muslims and Jews it makes religious practices such as prayer and fasting more difficult or inconvenient.
Some Muslim countries, such as Morocco, have temporarily abandoned DST during Ramadan.In Israel, DST has been a point of contention between the religious and secular, resulting in fluctuations over the years, and a shorter DST period than in the EU and US. Religious Jews prefer a shorter DST due to DST delaying the time for morning prayers, thus conflicting with standard working and business hours. Additionally, DST is ended before Yom Kippur (a 25-hour fast day starting and ending at sunset, much of which is spent praying in synagogue until the fast ends at sunset) since DST would result in the day ending later, which many feel makes it more difficult.In the US, Orthodox Jewish groups have opposed extensions to DST, as well as a 2022 bipartisan bill that would make DST permanent, saying it will "interfere with the ability of members of our community to engage in congregational prayers and get to their places of work on time."

Effects
Proponents of DST generally argue that it saves energy, promotes outdoor leisure activity in the evening (in summer), and is therefore good for physical and psychological health, reduces traffic accidents, reduces crime or is good for business. Opponents argue the actual energy savings are inconclusive.A 2017 meta-analysis of 44 studies found that DST leads to electricity savings of 0.3% during the days when DST applies. Several studies have suggested that DST increases motor fuel consumption, but a 2008 United States Department of Energy report found no significant increase in motor gasoline consumption due to the 2007 United States extension of DST. An early goal of DST was to reduce evening usage of incandescent lighting, once a primary use of electricity. Although energy conservation remains an important goal, energy usage patterns have greatly changed since then. Electricity use is greatly affected by geography, climate, and economics, so the results of a study conducted in one place may not be relevant to another country or climate.Later sunset times from DST are thought to affect behavior; for example, increasing participation in after-school sports programs or outdoor afternoon sports such as golf, and attendance at professional sporting events. Advocates of daylight saving time argue that having more hours of daylight between the end of a typical workday and evening induces people to consume other goods and services.Many farmers oppose DST, particularly dairy farmers as the milking patterns of their cows do not change with the time. and others whose hours are set by the sun. There is concern for schoolchildren who are out in the darkness during the morning due to late sunrises. DST also hurts prime-time television broadcast ratings, drive-ins and other theaters.It has been argued that clock shifts correlate with decreased economic efficiency, and that in 2000 the daylight-saving effect implied an estimated one-day loss of $31 billion on U.S. stock exchanges, Others have asserted that the observed results depend on methodology and disputed the findings, though the original authors have refuted points raised by disputers.

Health
There are measurable adverse effects of time-shifts on human health. It has been shown to disrupt human circadian rhythms, negatively affecting human health in the process, and that the yearly DST time-shifts can increase health risks such as heart attack, and traffic accidents.A 2017 study in the American Economic Journal: Applied Economics estimated that "the transition into DST caused over 30 deaths at a social cost of $275 million annually", primarily by increasing sleep deprivation.A correlation between clock shifts and increase in traffic accidents has been observed in North America and the UK but not in Finland or Sweden. Four reports have found that this effect is smaller than the overall reduction in traffic fatalities. In 2018, the European Parliament, reviewing a possible abolition of DST, approved a more in-depth evaluation examining the disruption of the human body's circadian rhythms which provided evidence suggesting the existence of an association between DST time-shifts and a modest increase of occurrence of acute myocardial infarction, especially in the first week after the spring shift. However a Netherlands study found, against the majority of investigations, contrary or minimal effect. Year-round standard time (not year-round DST) is proposed by some to be the preferred option for public health and safety. Clock shifts were found to increase the risk of heart attack by 10 percent, and to disrupt sleep and reduce its efficiency. Effects on seasonal adaptation of the circadian rhythm can be severe and last for weeks.

Social relations
DST likely reduces some kinds of crime, such as robbery and sexual assault, as fewer potential victims are outdoors after dusk. Artificial outdoor lighting has a marginal and sometimes even contradictory influence on crime and fear of crime.In 2022, a publication of three replicating studies of individuals, between individuals, and transecting societies, demonstrated that sleep loss affects the human motivation to help others, which in its fMRI findings is "associated with deactivation of key nodes within the social cognition brain network that facilitates prosociality." Furthermore, they detected, through analysis of over 3 million real-world charitable donations, that loss of sleep inflicted by the transition to Daylight Saving Time reduces altruistic giving compared to controls (being states not implementing DST). They conclude that implications for cooperative, civil society are "non-trivial".Another study, which also examined sleep manipulation due to the shift to daylight saving time in the spring, analyzed archival data from judicial punishment imposed by U.S. federal courts which showed sleep-deprived judges exact more severe penalties.

Inconvenience
DST's clock shifts have the disadvantage of complexity. People must remember to change their clocks; this can be time-consuming, particularly for mechanical clocks that cannot be moved backward safely. People who work across time zone boundaries need to keep track of multiple DST rules, as not all locations observe DST or observe it the same way. The length of the calendar day becomes variable; it is no longer always 24 hours. Disruption to meetings, travel, broadcasts, billing systems, and records management is common, and can be expensive. During an autumn transition from 02:00 to 01:00, a clock reads times from 01:00:00 through 01:59:59 twice, possibly leading to confusion.

Remediation
Some clock-shift problems could be avoided by adjusting clocks continuously or at least more gradually—for example, Willett at first suggested weekly 20-minute transitions—but this would add complexity and has never been implemented. DST inherits and can magnify the disadvantages of standard time. For example, when reading a sundial, one must compensate for it along with time zone and natural discrepancies. Also, sun-exposure guidelines such as avoiding the sun within two hours of noon become less accurate when DST is in effect.Andrew D. Huberman, a professor of neurobiology at Stanford University, suggests viewing sunlight before the sun is overhead & exercise, ideally outside, before 2 pm the day following the clock adjustment. This applies regardless of if the sky were to be covered by clouds.

Terminology
As explained by Richard Meade in the English Journal of the (American) National Council of Teachers of English, the form daylight savings time (with an "s") was already in 1978 much more common than the older form daylight saving time in American English ("the change has been virtually accomplished"). Nevertheless, even dictionaries such as Merriam-Webster's, American Heritage, and Oxford, which describe actual usage instead of prescribing outdated usage (and therefore also list the newer form), still list the older form first. This is because the older form is still very common in print and preferred by many editors. ("Although daylight saving time is considered correct, daylight savings time (with an "s") is commonly used.") The first two words are sometimes hyphenated (daylight-saving(s) time). Merriam-Webster's also lists the forms daylight saving (without "time"), daylight savings (without "time"), and daylight time. The Oxford Dictionary of American Usage and Style explains the development and current situation as follows: "Although the singular form daylight saving time is the original one, dating from the early 20th century—and is preferred by some usage critics—the plural form is now extremely common in AmE. [...] The rise of daylight savings time appears to have resulted from the avoidance of a miscue: when saving is used, readers might puzzle momentarily over whether saving is a gerund (the saving of daylight) or a participle (the time for saving). [...] Using savings as the adjective—as in savings account or savings bond—makes perfect sense. More than that, it ought to be accepted as the better form."In Britain, Willett's 1907 proposal used the term daylight saving, but by 1911 the term summer time replaced daylight saving time in draft legislation. The same or similar expressions are used in many other languages: Sommerzeit in German, zomertijd in Dutch, kesäaika in Finnish, horario de verano or hora de verano in Spanish, and heure d'été in French.The name of local time typically changes when DST is observed. American English replaces standard with daylight: for example, Pacific Standard Time (PST) becomes Pacific Daylight Time (PDT). In the United Kingdom, the standard term for UK time when advanced by one hour is British Summer Time (BST), and British English typically inserts summer into other time zone names, e.g. Central European Time (CET) becomes Central European Summer Time (CEST).

The North American English mnemonic "spring forward, fall back" (also "spring ahead ...", "spring up ...", and "... fall behind") helps people remember in which direction to shift the clocks.

Computing
Changes to DST rules cause problems in existing computer installations. For example, the 2007 change to DST rules in North America required that many computer systems be upgraded, with the greatest onus on e-mail and calendar programs. The upgrades required a significant effort by corporate information technologists.Some applications standardize on UTC to avoid problems with clock shifts and time zone differences. Likewise, most modern operating systems internally handle and store all times as UTC and only convert to local time for display.However, even if UTC is used internally, the systems still require external leap second updates and time zone information to correctly calculate local time as needed. Many systems in use today base their date/time calculations from data derived from the tz database also known as zoneinfo.

IANA time zone database
The tz database maps a name to the named location's historical and predicted clock shifts. This database is used by many computer software systems, including most Unix-like operating systems, Java, and the Oracle RDBMS; HP's "tztab" database is similar but incompatible. When temporal authorities change DST rules, zoneinfo updates are installed as part of ordinary system maintenance. In Unix-like systems the TZ environment variable specifies the location name, as in TZ=':America/New_York'. In many of those systems there is also a system-wide setting that is applied if the TZ environment variable is not set: this setting is controlled by the contents of the /etc/localtime file, which is usually a symbolic link or hard link to one of the zoneinfo files. Internal time is stored in time-zone-independent Unix time; the TZ is used by each of potentially many simultaneous users and processes to independently localize time display.
Older or stripped-down systems may support only the TZ values required by POSIX, which specify at most one start and end rule explicitly in the value. For example, TZ='EST5EDT,M3.2.0/02:00,M11.1.0/02:00' specifies time for the eastern United States starting in 2007. Such a TZ value must be changed whenever DST rules change, and the new value applies to all years, mishandling some older timestamps.

Permanent daylight saving time
A move to permanent daylight saving time (staying on summer hours all year with no time shifts) is sometimes advocated and is currently implemented in some jurisdictions such as Argentina, Belarus, Iceland, Kyrgyzstan, Morocco, Namibia, Saskatchewan, Singapore, Turkey, Turkmenistan, Uzbekistan and Yukon. Although Saskatchewan follows Central Standard Time, its capital city Regina experiences solar noon close to 13:00, in effect putting the city on permanent daylight time. Similarly, Yukon is classified as being in the Mountain Time Zone, though in effect it observes permanent Pacific Daylight Time to align with the Pacific time zone in summer, but local solar noon in the capital Whitehorse occurs nearer to 14:00, in effect putting Whitehorse on "double daylight time".
The United Kingdom and Ireland put clocks forward by an extra hour during World War II and experimented with year-round summer time between 1968 and 1971. Russia switched to permanent DST from 2011 to 2014, but the move proved unpopular because of the extremely late winter sunrises; in 2014, Russia switched permanently back to standard time. However, the change to permanent DST has proven popular in Turkey, with the Minister of Energy and Natural Resources saying the practice saves "millions in energy costs and reduces depression and anxiety levels associated with short exposure to daylight".In September 2018, the European Commission proposed to end seasonal clock changes as of 2019. Member states would have the option of observing either daylight saving time all year round or standard time all year round. In March 2019, the European Parliament approved the commission's proposal, while deferring implementation from 2019 until 2021. In response to this proposition, the European Sleep Research Society stated "installing permanent Central European Time (CET, standard time or 'wintertime') is the best option for public health." As of October 2020, the decision has not been confirmed by the Council of the European Union. The council has asked the commission to produce a detailed assessment of its effects, but the Commission considers that the onus is on the Member States to find a common position in Council. As a result, progress on the issue is effectively blocked.In the United States, several states have enacted legislation to implement permanent DST, but the bills would require Congress to change federal law in order to take effect. The Uniform Time Act of 1966 permits states to opt out of DST and observe permanent standard time, it does not permit permanent DST. Florida senator Marco Rubio in particular has promoted changing the federal law to implement permanent DST, with the support of the Florida Chamber of Commerce seeking to boost evening revenue. In 2022, Rubio's "Sunshine Protection Act" passed the United States Senate without committee review by way of voice consent, with many senators afterward stating they were unaware of the vote or its topic. The bill was stopped in the U.S. House, where questions were raised as to whether permanent DST or standard time would be more beneficial.Advocates cite the same advantages as normal DST without the problems associated with the twice yearly time shifts. Additional benefits have also been cited, including safer roadways, boosting the tourism industry, and energy savings. Detractors cite the relatively late sunrises, particularly in winter, that year-round DST entails.Some experts in circadian rhythms and sleep health recommend year-round standard time as the preferred option for public health and safety. Several chronobiology societies have published position papers against adopting DST permanently. A paper by the Society for Research on Biological Rhythms states: "based on comparisons of large populations living in DST or ST or on western versus eastern edges of time zones, the advantages of permanent ST outweigh switching to DST annually or permanently." The World Federation of Societies for Chronobiology stated that "the scientific literature strongly argues against the switching between DST and Standard Time and even more so against adopting DST permanently." The American Academy of Sleep Medicine (AASM) holds the position that "seasonal time changes should be abolished in favor of a fixed, national, year-round standard time," and that "standard time is a better option than daylight saving time for our health, mood and well-being." The AASM's position is endorsed by 20 other nonprofits, including the American College of Chest Physicians, National Safety Council, and National PTA.Current public opinion polls show mixed results. Surveys reported between 2021 and 2022 by the National Sleep Foundation, YouGov, CBS, and Monmouth University indicate more Americans would prefer permanent DST. A 2019 survey by National Opinion Research Center and a 2021 survey by the Associated Press indicate more Americans would prefer permanent Standard Time. The National Sleep Foundation, YouGov, and Monmouth University polls leaned significantly in favor of seeing Daylight Saving Time made permanent. The Monmouth University poll reported 44% preferring year-round DST and 13% preferring year-round standard time. In 1973 and 1974, NORC found 79% of Americans to be in favor of permanent DST before its implementation during the Oil Crisis, and only 42% to support permanent DST the following February.

See also
Daylight saving time by country
Daylight saving time in Africa
Daylight saving time in Asia
Summer time in Europe
Daylight saving time in the Americas
Daylight saving time in Oceania
Analysis of daylight saving time
Winter time (clock lag)

Notes
Passage 2:
International Day of the World's Indigenous Peoples
The International Day of the World's Indigenous Peoples is observed on 9 August each year to raise awareness and protect the rights of the world's indigenous population. This event also recognizes the achievements and contributions that indigenous people make to improve world issues such as environmental protection. It was first pronounced by the United Nations General Assembly in December 1994, marking the day of the first meeting of the UN Working Group on Indigenous Populations of the Sub-Commission on the Promotion and Protection of Human Rights in 1982.

History
In December 1992 the General Assembly of the United Nations adopted a resolution to make 1993  the International Year of the World's Indigenous Peoples.The International Day of the World's Indigenous Peoples was first pronounced by the UN General Assembly in December 1994, to be celebrated every year during the first International Decade of the World's Indigenous Peoples (1995–2004). In 2004, the Assembly proclaimed a Second International Decade, from 2005–2015, with the theme of "A Decade for Action and Dignity". People from different nations are encouraged to participate in observing the day to spread the UN's message on indigenous peoples. Activities may include educational forums and classroom activities to gain an appreciation and a better understanding of indigenous peoples.By resolution 49/214 of 23 December 1994, the United Nations General Assembly decided that the International Day of the World's Indigenous People shall be observed on 9 August every year during the International Decade of the World's Indigenous People. The date marks the day of the first meeting, in 1982, of the UN Working Group on Indigenous Populations of the Sub-Commission on the Promotion and Protection of Human Rights.

International Year of Indigenous Languages 2019
In the year 2016, it was reported that about 2,680 indigenous languages were in danger and on the verge of becoming extinct. Hence, UN designated 2019 to be the International Year of Indigenous Languages to persuade, convince and create awareness to people about indigenous languages.

Symbols
Artwork by Rebang Dewan, a Chakma boy from Bangladesh, was chosen as the visual identifier of the UN Permanent Forum on Indigenous Issues. It has also been seen on material to promote the International Day of the World's Indigenous Peoples. It features two ears of green leaves facing each other and a globe resembling planet earth. Within the globe is a picture of a handshake (two different hands) in the middle and above the handshake is a landscape background. The handshake and the landscape background are encapsulated by blue at the top and bottom within the globe.

Celebration in Canada
International Day of the World's Indigenous Peoples is celebrated as an all nations community celebration with artists, speakers, poets, performers, and a wide range of vendors and community service booths in Kingston, Ontario, by Ollin.

Celebration in Taiwan
In 2016, the administration under President Tsai Ing-wen approved a proposal that designated 1 August as Indigenous Peoples' Day in Taiwan. In celebration of the special day, President Tsai issued an official apology to the country's aboriginal people and outlined steps to further promote legislation and involve organizations related to aboriginal causes, like the Presidential Office's Indigenous Historical Justice and Transitional Justice Committee. The government hopes the day will remind the public of the diverse ethnic groups in Taiwan by bringing greater respect for indigenous peoples' cultures and history and promoting their rights.

See also
Indigenous peoples
Indigenous Peoples' Day
National Indigenous Peoples Day
Passage 3:
The Loneliest Planet
The Loneliest Planet is a 2011 German-American film written and directed by Julia Loktev, starring Gael García Bernal, Hani Furstenberg, and Georgian actor Bidzina Gujabidze. The plot centers around a young couple who travel with a local guide through a twisted backpacking trip across the Georgian wilderness.
The film had its international premiere at the 2011 Locarno International Film Festival followed by its North American premiere at the 2011 Toronto International Film Festival. It then went on to be featured during the New York Film Festival, the BFI London Film Festival, and the 2011 AFI Fest in Los Angeles, where it won the Grand Jury Prize. On March 24, 2012, The Loneliest Planet was awarded the top prize of "Lady Harimaguada de Oro" (The Golden Lady) at the Las Palmas de Gran Canaria International Film Festival, where actress Hani Furstenberg also won for Best Actress. On April 14, 2012, the film also won the Golden Tulip International Competition award at the 31st International Istanbul Film Festival.On October 11, 2011, it was announced that Sundance Selects, a division of IFC Films, had acquired North American distribution rights. The film's theatrical release in the United States was on October 26, 2012.
The film is adapted from McSweeney's writer Tom Bissell's short story "Expensive Trips Nowhere," published in his collection God Lives in St. Petersburg.

Plot
Alex (Gael García Bernal) and Nica (Hani Furstenberg) are in love and engaged to be married. They are seasoned travelers on a trip in the country of Georgia, formerly a republic of the Soviet Union. They hire a local guide (Bidzina Gujabidze) to take them backpacking through the breathtaking scenery of the Caucasus Mountains.
While on their journey, they meet an older man with two boys on their route; he is suspicious of the two foreigners. After a short conversation with their guide, the older man suddenly aims a hunting rifle aggressively at Alex and Nica at point-blank range.  For a moment, Alex's reaction is to shield himself behind Nica. He immediately regains his composure and pushes himself in front of Nica to face the stranger's gun, while their guide in turn persuades the stranger to lower his gun and go on his way. A seemingly traumatized Nica walks away on her own.
A few scenes show the couple not speaking or walking together while on their journey to the mountains, although Alex repeatedly attempts to reconnect with Nica. At one point, they cross a stream where Nica accidentally falls only to be saved by the local guide. Alex tries to offer a shivering Nica some help, but she rebuffs him. At night, the local guide tells Nica the story of his failed marriage, and they kiss. Soon after, Nica returns to Alex and the couple have sex. At dawn, the trio start packing up their camps, and it remains ambiguous as to whether or not the couple have finally reconciled.

Cast
Gael García Bernal as Alex
Hani Furstenberg as Nica
Bidzina Gujabidze as local guide
Amiran Gudrshauri as kebab seller

Reception
The film was well-received by critics. The film holds a "certified fresh" approval rating of 70% on review aggregator Rotten Tomatoes, based on 62 reviews with an average of 6.9/10. The website's critical consensus reads, "The source material that inspired The Loneliest Planet may be brief, but this adaptation of a Tom Bissell short story compensates with studious, finely detailed filmmaking, haunting visuals, and thought-provoking subtext." On Metacritic, the film has a weighted average score of 76 out of 100, based on 19 critics, indicating "generally favorable reviews".A.O. Scott of The New York Times called The Loneliest Planet, "gripping and haunting, but also coy and elusive."Roger Ebert of the Chicago Sun-Times gave it 2 out of 4 and wrote: "All of this grows tiresome. We're given no particular reason at the outset of The Loneliest Planet to care about these people, our interest doesn't grow along the way, the landscape grows repetitive...."
Passage 4:
Le Défenseur du Temps
Le Défenseur du Temps (The Defender of Time) is a large mechanical work of art in the form of a clock created by the French artist Jacques Monestier.

Description
Le Défenseur du Temps is a clock made of automata. Close to the dial, a man perched on a rock with a sword and shield fights against a bird, a dragon, and a crab which respectively represent air, earth, and water. As originally designed, every hour from 9 am to 10 pm, he fights one of the three animals chosen randomly by a program. At noon, 6 pm, and 10pm, all three animals attack at the same time.
The time is announced by three strokes. While the man fights, he is accompanied by sounds of breaking waves, rumbling earth or the sound of wind, depending on the animal chosen.
Le Défenseur du temps is 4 meters high and weighs about 1 ton. The characters, animals and the clock face are hammered brass and gold leaf. The rock on which they sit is composed of oxidized brass. In its original configuration, a master electronic quartz circuit board controlled the random attacks chance, and used six cam timers and five tape recorders.

Location
Le Défenseur du temps is located at 8 rue Bernard de Clairvaux, in the Quartier de l'Horloge in Paris' 3rd arrondissement. The area around the clock owes its name to this work.

History
Le Défenseur du temps was commissioned in 1975 by COGEDIM. The scales of the dragon were made by Louis Desouches, and the construction of the steel structure was by Alain Moirod.
The clock was partially installed in September 1979. It was formally dedicated on 8 October 1979 by the Mayor of Paris, Jacques Chirac.The clock underwent restoration in 1995. The master clock's quartz crystal was replaced by a radio clock, and the tape recorders were replaced by a compact disc player. Without funding for maintenance, the clock has been stopped since July 1, 2003.In February 2022, the clock was taken down and the restoration of the clock has begun to take place. The Defenseur Du Temps should be fixed and reinstalled by March 2023.

External links
Conception et réalisation du "Défenseur du Temps"
Le Defenseur du Temps clock
Passage 5:
The Motorcycle Diaries (film)
The Motorcycle Diaries (Spanish: Diarios de motocicleta) is a 2004 biopic about the journey and written memoir of the 23-year-old Ernesto Guevara, who would several years later become internationally known as the Marxist guerrilla leader and revolutionary leader Che Guevara. The film recounts the 1952 expedition, initially by motorcycle, across South America by Guevara and his friend Alberto Granado. As well as being a road movie, the film is a coming-of-age film; as the adventure, initially centered on youthful hedonism, unfolds, Guevara discovers himself transformed by his observations on the life of the impoverished indigenous peasantry. Through the characters they encounter on their continental trek, Guevara and Granado witness first hand the injustices that the destitute face and are exposed to people and social classes they would have never encountered otherwise. To their surprise, the road presents to them both a genuine and captivating picture of Latin American identity. As a result, the trip also plants the initial seed of radicalization within Guevara, who would later challenge the continent's endemic economic inequalities and political repression.
The screenplay is based primarily on Guevara's trip diary of the same name, with additional context supplied by Traveling with Che Guevara: The Making of a Revolutionary by Alberto Granado. Guevara is played by Gael García Bernal (who previously played Che in the 2002 miniseries Fidel), and Granado by the Argentine actor Rodrigo de la Serna, who incidentally is a second cousin to the real-life Guevara on his maternal side. Directed by Brazilian director Walter Salles and written by Puerto Rican playwright José Rivera, the film was an international co-production among production companies from Argentina, the United States, Germany, the United Kingdom, Chile, Peru and France. The film's executive producers were Robert Redford, Paul Webster, and Rebecca Yeldham; the producers were Edgard Tenenbaum, Michael Nozik, and Karen Tenkhoff; and the co-producers were Daniel Burman and Diego Dubcovsky.

Plot
The Che of The Motorcycle Diaries is more akin to Jack Kerouac or Neal Cassady than Marx or Lenin."
In 1952, a semester before Ernesto "Fuser" Guevara is due to complete his medical degree, he and his older friend Alberto Granado, a biochemist, leave Buenos Aires to travel across South America. While there is a goal at the end of their journey - they intend to work in a leper colony in Peru - the main purpose is initially fun and adventure. They desire to see as much of Latin America as they can, more than 14,000 kilometres (8,700 mi) in just four and a half months, while Granado's purpose is also to bed as many women as will fall for his pickup lines. Their initial method of transport is Granado's dilapidated Norton 500 motorcycle christened La Poderosa ("The Mighty One").
Their planned route is ambitious, bringing them north across the Andes, along the coast of Chile, through the Atacama Desert and into the Peruvian Amazon in order to reach Venezuela just in time for Granado's 30th birthday on 2 April. However, due to La Poderosa's breakdown, they are forced to travel at a much slower pace, often walking, and do not make it to Caracas until July.
During their expedition, Guevara and Granado encounter the poverty of the indigenous peasants, and the movie assumes a greater seriousness once the men gain a better sense of the disparity between the "haves" (to which they belong) and the obviously exploited "have-nots" (who make up the majority of those they encounter) by travelling on foot. In Chile, for instance, they encounter a penniless and persecuted couple forced onto the road because of their communist beliefs. In a fire-lit scene, Guevara and Granado ashamedly admit to the couple that they are not out looking for work as well. The duo then accompanies the couple to the Chuquicamata copper mine, where Guevara becomes angry at the treatment of the workers.
However, it is a visit to the ancient Incan ruins of Machu Picchu in Peru that solidifies something in Guevara. His musings are then somberly refocused to how an indigenous civilization capable of building such beauty could be destroyed by the creators of the eventually polluted urban decay of nearby Lima.Later, in Peru, they volunteer for three weeks at the San Pablo leper colony. There, Guevara observes both literally and metaphorically the division of society, as the staff live on the north side of a river, separated from the deprived lepers living across the river to the south. To demonstrate his solidarity, and his medical belief that leprosy is not contagious, Guevara refuses to wear rubber gloves during his visit as the head nun requires, choosing instead to shake bare hands and interact normally with the surprised leper patients.
At the end of the film, after his sojourn at the leper colony, Guevara confirms his nascent egalitarian, revolutionary impulses, while making a birthday toast, which is also his first political speech. In it, he invokes a pan-Latin American identity that transcends the arbitrary boundaries of both nation and race. These encounters with social injustice transform the way Guevara sees the world and his purposes in it, and by implication motivates his later political activities as a Marxist revolutionary.
Guevara makes his symbolic "final journey" at night when, despite the danger and his asthma, he swims across the river that separates the two societies of the leper colony, to spend the night in a leper shack, instead of in the doctors' cabins. Later, as they bid each other farewell at an airport, Granado reveals that his birthday was not 2 April, but rather 8 August, and that the aforementioned goal was simply a motivator: Guevara replies that he knew all along. The film closes with an appearance by the real 82-year-old Alberto Granado, along with pictures from the actual journey and a brief mention of Che Guevara's eventual 1967 CIA-assisted execution in the Bolivian jungle.

Cast
Development
The film shows what we were, which was two young men - boys, really - who went looking for adventure and found the truth and tragedy of our homeland.
Gael García Bernal agreed to reprise his role as young Che Guevara having previously portrayed him in the television film Fidel (2002 film). To prepare for the role, he went through six months of intense preparation. This groundwork included reading "every biography" about Guevara, traveling to Cuba to speak with Guevara's family, and consulting with Guevara's then still living travel partner Alberto Granado. Despite being in his eighties, Granado was also taken on as an adviser by Salles, and enthusiastically followed the film crew as they retraced his former journey.

Moreover, García Bernal (who is Mexican) adopted an Argentine accent and spent 14 weeks reading the works of José Martí, 
Karl Marx and Pablo Neruda (Guevara's favorite poet). García Bernal told reporters "I feel a lot of responsibility. I want to do it well because of what Che represents to the world. He is a Romantic. He had a political consciousness that changed Latin America." According to García Bernal, the role crystallized his "own sense of duty" because Guevara "decided to live on the side of the mistreated, to live on the side of the people who have no justice - and no voice." In surmising the similarities between his transformation and Guevara's, García Bernal posits that "my generation is awakening, and we're discovering a world full of incredible injustice."Granado later stated that he appreciated the film's effort "to dig beneath the "mythical Che", whose defiant image appears on T-shirts and posters around the world, "to reveal the flawed, flesh-and-blood Ernesto beneath."

Film locales
We were re-enacting a journey that was done 50 years ago, and what's surprising is that the social problems of Latin America are the same. Which is heartbreaking in a way, but it also makes you feel how important it is to tell the story."
In a journey that lasts eight months, the partners travel over 14,000 kilometers (8,700 miles), from Argentina through Chile, Peru, and Colombia to Venezuela. Key locations along the journey described in the film include: in Argentina: Buenos Aires, Miramar, Villa Gesell, San Martín de los Andes, Lago Frías, Patagonia and Nahuel Huapi Lake; in Chile: Temuco, Los Angeles, Valparaiso, the Atacama desert, and Chuquicamata; in Peru: Cuzco, Machu Picchu, Lima, The San Pablo Leper Colony; as well as Leticia, Colombia and Caracas, Venezuela.
Reviewer Nick Cowen of The Daily Telegraph described the scenery as "visually stunning" while remarking that "the cinematography of fog-cloaked mountains, lush, green forests and sunburnt deserts is breathtakingly beautiful enough to serve as a travel advert for the entire continent."

Tourist trails
The Observer reported that shortly after the film's release, tour operators in the region received a surge of inquiries, with some of them even offering Che Guevara-themed trips, where travellers could "follow in the footsteps of the revolutionary icon."The crew filmed in the same San Pablo Leper Colony that Guevara himself had visited. According to Bernal, 85% of the people suffering leprosy in the film were actual lepers, with some of them having lived there when Che and Granado worked at the colony. In fact, when Granado returned with the film crew to the leprosarium of San Pablo, he found some of the people he had treated half a century earlier, remarking that "It was wonderful and amazing that they could still remember me." Granado was also pleased that buildings constructed for the scenes shot at the leprosarium were afterwards used by the patients themselves.The scene which features Guevara's character swimming across to the other side of the river was filmed during three nights in which Bernal swam across the actual Amazon River.

Soundtrack
The score for The Motorcycle Diaries was composed by Gustavo Santaolalla. The film's soundtrack was released on the Deutsche Grammophon label in 2004.

Distribution
The film was first presented at the Sundance Film Festival on 15 January 2004. Granado had an invitation to the Sundance premiere, but he was refused an entry Visa by the United States. Later it was featured at the 2004 Cannes Film Festival on 19 May, and Granado was able to attend.The film later screened at many other film festivals, including: the Auckland International Film Festival, New Zealand; the Copenhagen International Film Festival, Denmark; the Espoo Film Festival, Finland; the Telluride Film Festival, United States; the Toronto International Film Festival, Canada; the Vancouver International Film Festival, Canada; the Celebrating Literature in Cinema Film Festival Frankfurt, Germany; and the Morelia Film Festival, Mexico.
Release datesUnited States: 15 January 2004 (premiere at Sundance Film Festival)
France: 7 July 2004
Argentina: 29 July 2004
United Kingdom: 27 August 2004
United States: 24 September 2004
Chile:  21 October 2004
Germany: 28 October 2004

Critical reception
The Motorcycle Diaries may not provide any satisfactory answers as to how a 23-year-old medical student went on to become arguably the most famous revolutionary of the latter half of the 20th Century, but it has an undeniable charm in that it imbues the memories of youth with a sense of altruism and purity – which are complemented by the scenery. It's an incomplete portrait to be sure, but it's a gorgeous depiction of two best friends riding unknowingly into the history books."
The Motorcycle Diaries was released to very positive reviews by critics, and received a standing ovation at the 2004 Sundance Film Festival. The New York Times film critic, A.O. Scott, wrote that "in Mr. Salles's hands what might have been a schematic story of political awakening becomes a lyrical exploration of the sensations and perceptions from which a political understanding of the world emerges." Gregory Weinkauf of the Dallas Observer espoused that the film "delivers as both biography and road movie, and proves itself a deceptively humble epic, an illuminating part of the Che legacy." Claudia Puig of USA Today postulated that "the movie achieves an impressive blend of emotional resonance and light entertainment" while describing it as "more coming-of-age story than biopic" and "a transformative adventure well worth watching." Keri Petersen of The Gainesville Sun referred to the film as "a gorgeous, poetic adventure."Paula Nechak of the Seattle Post-Intelligencer praised director Salles by remarking that he "presents the evolutionary course of a young man who coincidentally became the dorm-room poster boy for an idealistic generation, and captures the lovely, heart-and-eye-opening ode to youthful possibility with affection and compassion." Washington Post critic Desson Thomson lent praise for the film's starring actor by observing that "what Bernal and this well-wrought movie conveys so well is the charisma that would soon become a part of human history, and yes, T-shirts."Among the film's few detractors was Roger Ebert of the Chicago Sun-Times, who described the film's positive reviews as "a matter of political correctness, I think; it is uncool to be against Che Guevara." Ebert also criticized the film's characterization: "seen simply as a film, The Motorcycle Diaries is attenuated and tedious. We understand that Ernesto and Alberto are friends, but that's about all we find out about them; they develop none of the complexities of other on-the-road couples... Nothing is startling or poetic." Jessica Winter of The Village Voice also criticized the film's simplistic representation of the peasantry, describing "the young men's encounters with conscience-pricking, generically noble locals" who are occasionally assembled "to face the camera in a still life of heroic, art-directed suffering". The film also received criticism for its positive representation of Guevara as a youthful idealist. Anthony Daniels, an outspoken critic of Guevara's, argued that the film helps to continue his wrongful glorification, noting "The film is thus the cinematic equivalent of the Che Guevara T-shirt; it is morally monstrous and emotionally trivial." Frans Weiser agreed, saying that the film's narrative is dominated by reductive images of Guevara as an idealistic, loveable rogue.Online review aggregator Metacritic gives the film a score of 75 out of 100 based on 37 reviews, indicating "generally favorable reviews". Meanwhile, Rotten Tomatoes records an 83% approval rating based on 157 reviews, with an average rating of 7.5/10. The website's critical consensus reads, "The Motorcycle Diaries is heartfelt and profound in its rendering of the formative experiences that turn Ernesto "Che" Guevara into a famous revolutionary." Furthermore, British historian Alex von Tunzelmann, who reviews films at The Guardian for historical accuracy, graded the film an A− in "History", while giving the film a B in "Entertainment". After comparing scenes from the film to the actual diaries, Tunzelmann posited that "The Motorcycle Diaries gets a lot right, it's an entertaining and accurate portrayal of the formative youth of a revolutionary icon."

Awards won
Cannes Film Festival: François Chalais Award, Walter Salles; Prize of the Ecumenical Jury, Walter Salles; Technical Grand Prize, Eric Gautier; 2004.
Donostia-San Sebastián International Film Festival: Audience Award Walter Salles; 2004.
Academy Awards: Oscar; Best Achievement in Music Written for Motion Pictures, Original Song; Jorge Drexler; for the song "Al otro lado del río"; 2005.
Argentine Film Critics Association Awards: Best Actor, Rodrigo de la Serna; Best Music, Gustavo Santaolalla; Best Adapted Screenplay, Jose Rivera; 2005.
British Academy of Film and Television Arts: Best Film Not in the English Language, Michael Nozik, Edgard Tenenbaum, Karen Tenkhoff, Walter Salles; Anthony Asquith Award for Film Music, Gustavo Santaolalla; 2005.
Goya Awards: Goya; Best Adapted Screenplay, José Rivera; 2005.
Independent Spirit Awards: Independent Spirit Award; Best Cinematography, Eric Gautier; Best Debut Performance, Rodrigo de la Serna; 2005.

Related films
Passage 6:
Noon
Noon (or midday) is 12 o'clock in the daytime. It is written as 12 noon, 12:00 m. (for meridiem, literally 12:00 midday), 12 p.m. (for post meridiem, literally "after midday"), 12 pm, or 12:00 (using a 24-hour clock) or 1200 (military time).
Solar noon is the time when the Sun appears to contact the local celestial meridian. This is when the Sun reaches its apparent highest point in the sky, at 12 noon apparent solar time and can be observed using a sundial. The local or clock time of solar noon depends on the longitude and date, with Daylight Saving Time tending to place solar noon closer to 1:00pm.

Etymology
The word noon is derived from Latin nona hora, the ninth canonical hour of the day, in reference to the Western Christian liturgical term none, one of the seven fixed prayer times in traditional Christian denominations. The Roman and Western European medieval monastic day began at 6:00 a.m. (06:00) at the equinox by modern timekeeping, so the ninth hour started at what is now 3:00 p.m. (15:00) at the equinox. In English, the meaning of the word shifted to midday and the time gradually moved back to 12:00 local time – that is, not taking into account the modern invention of time zones. The change began in the 12th century and was fixed by the 14th century.

Solar noon
Solar noon, also known as the local apparent solar noon and Sun transit time (informally high noon), is the moment when the Sun contacts the observer's meridian (culmination or meridian transit), reaching its highest position above the horizon on that day and casting the shortest shadow. This is also the origin of the terms ante meridiem (a.m.) and post meridiem (p.m.), as noted below. The Sun is directly overhead at solar noon at the Equator on the equinoxes, at the Tropic of Cancer (latitude 23°26′10.4″ N) on the June solstice and at the Tropic of Capricorn (23°26′10.4″ S) on the December solstice. In the Northern Hemisphere, north of the Tropic of Cancer, the Sun is due south of the observer at solar noon; in the Southern Hemisphere, south of the Tropic of Capricorn, it is due north.
The elapsed time from the local solar noon of one day to the next is exactly 24 hours on only four instances in any given year. This occurs when the effects of Earth's obliquity of ecliptic and its orbital speed around the Sun offset each other. These four days for the current epoch are centered on 11 February, 13 May, 26 July, and 3 November. It occurs at only one particular line of longitude in each instance. This line varies year to year, since Earth's true year is not an integer number of days. This event time and location also varies due to Earth's orbit being gravitationally perturbed by the planets. These four 24-hour days occur in both hemispheres simultaneously. The precise UTC times for these four days also mark when the opposite line of longitude, 180° away, experiences precisely 24 hours from local midnight to local midnight the next day. Thus, four varying great circles of longitude define from year to year when a 24-hour day (noon to noon or midnight to midnight) occurs.
The two longest time spans from noon to noon occur twice each year, around 20 June (24 hours plus 13 seconds) and 21 December (24 hours plus 30 seconds).
The shortest time spans occur twice each year, around 25 March (24 hours minus 18 seconds) and 13 September (24 hours minus 22 seconds).
For the same reasons, solar noon and "clock noon" are usually not the same. The equation of time shows that the reading of a clock at solar noon will be higher or lower than 12:00 by as much as 16 minutes. Additionally, due to the political nature of time zones, as well as the application of daylight saving time, it can be off by more than an hour.

Nomenclature
In the US, noon is commonly indicated by 12 p.m., and midnight by 12 a.m. While some argue that such usage is "improper" based on the Latin meaning (a.m. stands for ante meridiem and p.m. for post meridiem, meaning "before midday" and "after midday" respectively), digital clocks are unable to display anything else, and an arbitrary decision must be made. An earlier standard of indicating noon as "12M" or "12m" (for "meridies"), which was specified in the U.S. GPO Government Style Manual, has fallen into relative obscurity; the current edition of the GPO makes no mention of it. However, due to the lack of an international standard, the use of "12 a.m." and "12 p.m." can be confusing. Common alternative methods of representing these times are:

to use a 24-hour clock (00:00 and 12:00, 24:00; but never 24:01)
to use "12 noon" or "12 midnight" (though "12 midnight" may still present ambiguity regarding the specific date)
to specify midnight as between two successive days or dates (as in "midnight Saturday/Sunday" or "midnight December 14/15")
to avoid those specific times and to use "11:59 p.m." or "12:01 a.m." instead. (This is common in the travel industry to avoid confusion to passengers' schedules, especially train and plane schedules.)

See also
Afternoon
Analemma
Dipleidoscope
Hour angle
Solar azimuth angle

Notes

Answer the question based on the given passages. Only give me the answer and do not output any other words.

Question: At what local time does the country where Fuser and Alberto meet the indigenous couple traveling to look for work change their clocks for DST?



Answer: 24:00