Question: When did daylight saving start in the country where a London museum is located in Trafalgar Square?

full_context: Document 1: Summer time in Europe: European Summer Time begins at 01: 00 UTC / WET (02: 00 CET, 03: 00 EET) on the last Sunday in March and ends at 01: 00 UTC (02: 00 WEST, 03: 00 CEST, 04: 00 EEST) on the last Sunday in October each year; i.e. the change is made at the same absolute time across all time zones.
Document 2: Time in Germany: The time zone in Germany is Central European Time (Mitteleuropäische Zeit, MEZ; UTC + 01: 00) and Central European Summer Time (Mitteleuropäische Sommerzeit, MESZ; UTC + 02: 00). Daylight saving time is observed from the last Sunday in March (02: 00 CET) to the last Sunday in October (03: 00 CEST). The doubled hour during the switch back to standard time is named 2A (02: 00 to 03: 00 CEST) and 2B (02: 00 to 03: 00 CET).
Document 3: Kathmandu: The Srijana Contemporary Art Gallery, located inside the Bhrikutimandap Exhibition grounds, hosts the work of contemporary painters and sculptors, and regularly organizes exhibitions. It also runs morning and evening classes in the schools of art. Also of note is the Moti Azima Gallery, located in a three storied building in Bhimsenthan which contains an impressive collection of traditional utensils and handmade dolls and items typical of a medieval Newar house, giving an important insight into Nepali history. The J Art Gallery is also located in Kathmandu, near the Royal Palace in Durbarmarg, Kathmandu and displays the artwork of eminent, established Nepali painters. The Nepal Art Council Gallery, located in the Babar Mahal, on the way to Tribhuvan International Airport contains artwork of both national and international artists and extensive halls regularly used for art exhibitions.
Document 4: England: English Heritage is a governmental body with a broad remit of managing the historic sites, artefacts and environments of England. It is currently sponsored by the Department for Culture, Media and Sport. The charity National Trust for Places of Historic Interest or Natural Beauty holds a contrasting role. 17 of the 25 United Kingdom UNESCO World Heritage Sites fall within England. Some of the best-known of these are: Hadrian's Wall, Stonehenge, Avebury and Associated Sites, Tower of London, Jurassic Coast, Saltaire, Ironbridge Gorge, Studley Royal Park and various others.There are many museums in England, but perhaps the most notable is London's British Museum. Its collection of more than seven million objects is one of the largest and most comprehensive in the world, sourced from every continent, illustrating and documenting the story of human culture from its beginning to the present. The British Library in London is the national library and is one of the world's largest research libraries, holding over 150 million items in all known languages and formats; including around 25 million books. The most senior art gallery is the National Gallery in Trafalgar Square, which houses a collection of over 2,300 paintings dating from the mid-13th century to 1900. The Tate galleries house the national collections of British and international modern art; they also host the famously controversial Turner Prize.
Document 5: British Summer Time: BST begins at 01: 00 GMT on the last Sunday of March and ends at 01: 00 GMT (02: 00 BST) on the last Sunday of October. Since 22 October 1995, the starting and finishing times of daylight saving time across the European Union have been aligned -- for instance Central European Summer Time begins and ends on the same Sundays at exactly the same time (that is, 02: 00 CET, which is 01: 00 GMT). Between 1972 and 1995, BST began and ended at 02: 00 GMT on the third Sunday in March (or second Sunday when Easter fell on the third) and fourth Sunday in October.
Document 6: London: London is home to many museums, galleries, and other institutions, many of which are free of admission charges and are major tourist attractions as well as playing a research role. The first of these to be established was the British Museum in Bloomsbury, in 1753. Originally containing antiquities, natural history specimens and the national library, the museum now has 7 million artefacts from around the globe. In 1824 the National Gallery was founded to house the British national collection of Western paintings; this now occupies a prominent position in Trafalgar Square.
Document 7: New Delhi: New Delhi is home to Indira Gandhi Memorial Museum, National Gallery of Modern Art, National Museum of Natural History, National Rail Museum, National Handicrafts and Handlooms Museum, National Philatelic Museum, Nehru Planetarium, Shankar's International Dolls Museum. and Supreme Court of India Museum.
Document 8: Collection of the National Gallery, London: The National Gallery is the primary British national public art gallery, sited on Trafalgar Square, in central London. It is home to one of the world's greatest collections of Western European paintings. Founded in 1824, from an initial purchase of 36 paintings by the British Government, its collections have since grown to about 2,300 paintings by roughly 750 artists dating from the mid-13th century to 1900, most of which are on display. This page lists some of the highlights of the collection.
Document 9: Daylight saving time in the United States: In the U.S., daylight saving time starts on the second Sunday in March and ends on the first Sunday in November, with the time changes taking place at 2: 00 a.m. local time. With a mnemonic word play referring to seasons, clocks ``spring forward, fall back ''-- that is, in springtime the clocks are moved forward from 2: 00 a.m. to 3: 00 a.m. and in fall they are moved back from 2: 00 a.m. to 1: 00 a.m. Daylight saving time lasts for a total of 34 weeks (238 days) every year, about 65% of the entire year.
Document 10: Micro gallery: A micro gallery was a computer-based guide to archives and museum collections, first developed for the collections at the National Gallery in London, UK It took three years to develop by the company Cognitive Applications, and opened in July 1991 as part of the facilities in the Sainsbury Wing. Visitors could use the system to determine which pictures they would like to see in the gallery. It was possible to print out personalised information for use during the visit. The Micro Gallery ran for 14 years and a CD-ROM with similar facilities was produced.
Document 11: Royal Institute of British Architects: In 2004, the two institutions created the Architecture Gallery (Room 128) at the V&A showing artefacts from the collections of both institutions, this was the first permanent gallery devoted to architecture in the UK. The adjacent Architecture Exhibition Space (Room 128a) is used for temporary displays related to architecture. Both spaces were designed by Gareth Hoskins Architects. At the same time the RIBA Library Drawing and Archives Collections moved from 21 Portman Place to new facilities in the Henry Cole Wing at the V&A. Under the Partnership new study rooms were opened where members of the public could view items from the RIBA and V&A architectural collections under the supervision of curatorial staff. These and the nearby education room were designed by Wright & Wright Architects.
Document 12: London: London contains four World Heritage Sites: the Tower of London; Kew Gardens; the site comprising the Palace of Westminster, Westminster Abbey, and St Margaret's Church; and the historic settlement of Greenwich (in which the Royal Observatory, Greenwich marks the Prime Meridian, 0° longitude, and GMT). Other famous landmarks include Buckingham Palace, the London Eye, Piccadilly Circus, St Paul's Cathedral, Tower Bridge, Trafalgar Square, and The Shard. London is home to numerous museums, galleries, libraries, sporting events and other cultural institutions, including the British Museum, National Gallery, Tate Modern, British Library and 40 West End theatres. The London Underground is the oldest underground railway network in the world.
Document 13: Kathmandu: Kathmandu is home to a number of museums and art galleries, including the National Museum of Nepal and the Natural History Museum of Nepal. Nepal's art and architecture is an amalgamation of two ancient religions, Hinduism and Buddhhism. These are amply reflected in the many temples, shrines, stupas, monasteries, and palaces in the seven well-defined Monument Zones of the Kathmandu valley are part of a UNESCO World Heritage Site. This amalgamation is also reflected in the planning and exhibitions in museums and art galleries throughout Kathmandu and its sister cities of Patan and Bhaktapur. The museums display unique artifacts and paintings from the 5th century CE to the present day, including archeological exportation.
Document 14: New Delhi: New Delhi is home to several historic sites and museums. The National Museum which began with an exhibition of Indian art and artefacts at the Royal Academy in London in the winter of 1947–48 was later at the end was shown at the Rashtrapati Bhawan in 1949. Later it was to form a permanent National Museum. On 15 August 1949, the National Museum was formally inaugurated and currently has 200,000 works of art, both of Indian and foreign origin, covering over 5,000 years.
Document 15: British Summer Time: Year Start End 2015 29 March 25 October 2016 27 March 30 October 2017 26 March 29 October 2018 25 March 28 October 2019 31 March 27 October 2020 29 March 25 October 2021 28 March 31 October
ground_truth: Since 22 October 1995
sub_queries: Which London museum is prominently located in Trafalgar Square? Answer: the National Gallery
the National Gallery >> country Answer: UK
when did daylight saving start in the UK Answer: Since 22 October 1995