Time

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Time is a mechanic in the Pokémon games. It was introduced in Generation II and has been a major component of almost all games released afterward. Time affects both the evolution of several and whether certain Pokémon can be found in the wild. Some events may take place at a specific time of day, or on a particular day of the week. and use their own in-game time system and don't depend on the player or console's real time.
 are governed by the time function, maturing after a certain amount of time has passed. Much like weather, the games' time function has been revised and expanded in each subsequent generation after its introduction.
==In the core series games==
===Generation II===
In Generation II, the changing time of day is one of the games' distinctive features. Wild encounters vary based on the time of day; several Pokémon were designed with this in mind, such as and .
At the beginning of all three games, the player is required to set the clock, even before selecting a name. The default time is 10:00 AM (10:00). When the player speaks to their at the start of the game, the player must specify whether it is currently or not; they can adjust the clock for entering or exiting daylight savings time.
The clock can be reset through a code in all three games, although it is more difficult to do so in . For the Virtual Console versions, adjusting the time on the Nintendo 3DS clock does not affect the in-game time.
====Times of day====
Morning 	Day 	Night
4:00 AM–9:59 AM(04:00–09:59)	10:00 AM–5:59 PM(10:00–17:59)	6:00 PM–3:59 AM(18:00–03:59)
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=====Morning=====
Morning, referred to as <sc>Morn</sc> in-game, is the time from 4:00 AM to 9:59 AM (04:00–09:59). Many Pokémon Trainers are still asleep and there are many Pokémon in the wild. However, the wild Pokémon that appear in the Morning are mostly the same as Day, with only slight differences. During the Morning, the rising sun tints the entire landscape with a yellowish hue.
=====Day=====
Day is the time from 10:00 AM to 5:59 PM (10:00–17:59). The landscape is not tinted at all during this time, making it seem closer to the Generation I games (which do not have a time system). Day is the busiest time, as most people are up and about at this time and a wide variety of Pokémon appear.
=====Night=====
Night, referred to as <sc>Nite</sc> in-game, is the time from 6:00 PM to 3:59 AM (18:00–03:59). Wild Pokémon battles taking place at night use a slightly different music track. The world is colored a bluish-purple, and buildings have their lights on. If interacted with, the Pokémon Center lady will note that the player is still active despite the time, before healing the party.
====Days of the week====
When the Pokégear is first received, the player's mother will ask them to set the day of the week as well. This affects several things, such as the National Park's Bug-Catching Contest and which of the Week Siblings appears, though not much else.
====Resetting the clock====
In the Western and Korean versions, a secret function for resetting the game's clock that requires a password may be accessed from the title screen. The password is generated from the player's name, Trainer ID number, and current amount of money (Blackshark's GSC Clock Password Generator). The game will then reboot and the main menu will return the "TIME NOT SET" error message. Proceeding will then load a screen in which the player can adjust the clock's data, including the weekday. Due to being based on the Japanese version, the password only takes into account the first five characters of the player's name.
While the function for manually resetting the clock is not available in the Japanese versions, the main menu error and the actual clock adjustment screen exist in all versions as they are used for when the clock data is invalid or corrupted.
=====Western Gold and Silver=====
Hold ↓, SELECT, and B.
=====Western Crystal and Korean Gold and Silver=====
# Hold ↓, SELECT, and B
# Release ↓ and B, while still holding SELECT
# Hold ← and ↑, while still holding SELECT
# Release SELECT
===Generation III===
Unlike Generation II, Generation III had no separate time periods, or even an ability to check the time in-game unless the player traveled back to Littleroot Town, where they had set an analog clock at the beginning of the game. The overworld lighting does not change during different times of the day. Also, unlike Generation II, the time-based events were very few and extremely far between, with the clock mostly running to keep track of the growth of planted Berries (although this was not completely foolproof). Additionally, there was no way to change the clock in this generation, not even for daylight saving time.
There were, however, some time-based functions in the games. For example, Shoal Cave's water level would change every six hours, at 3:00 and 9:00 AM and PM (03:00, 09:00, 15:00, 21:00). Just the same, the time-based Evolutions are available.
Although a small part of the game, some events occur on a daily basis. Some NPCs give the player one Berry every day. Lilycove Department Store gives out Pokémon Loto Tickets for the Pokémon Lottery Corner, with the winning number changing daily. An old man who lives in Pacifidlog Town looks out for , and will, every day, generate a random number between 0 and 65535 and if this number matches the personality value of any of the Pokémon in the party, Mirage Island will appear in the game.
Time was only used in the Hoenn-based games. Time-based evolutions cannot trigger in . In , the player receives and , the only two Pokémon at the time that were result of time-based evolution, at the beginning of the game. In , the player's can evolve into Espeon or Umbreon with the Sun Shard or the Moon Shard in the Bag, respectively.
====Times of day====
Day 	Night
12:00 PM–11:59 PM(12:00–23:59)	12:00 AM–11:59 AM(0:00–11:59)
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===Generation IV===
In Generation IV, the time function returned fully with many features from Generation II, including changes in the overworld lighting and in the availability of wild Pokémon at different times of day, being , , or . However, this time it uses the Nintendo DS's system clock. The three time periods from Generation II return, with smoother transitions between them.
A calendar and day of the week system are also present. The game keeps track of the date of capture of every Pokémon. Some in-game events are influenced by the day of the week; for example, only appear in the Valley Windworks on Fridays, and battles with in the Battle Zone can only be initiated on weekends.
The Pokédex also has a new function that displays where Pokémon are found in each time period. When it is first opened, the Sinnoh Pokédex will also default to the current time of day.
Additionally, in only, the generic battle transitions change during nighttime (except for wild Pokémon in water). Cave battles are always treated as if it was nighttime, but places with cavelike encounters such as Sprout Tower or Ilex Forest properly account for the time.
====Times of day====
Morning 	Day 	Night
4:00 AM–9:59 AM(04:00–9:59)	10:00 AM–7:59 PM(10:00–19:59)	8:00 PM–3:59 AM(20:00–03:59)
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=====Morning=====
Morning tints everything a pale blue color, changing from dark blue of night into bright blue of daytime. Morning lasts from 4:00 AM to 9:59 AM (04:00–9:59).
=====Day=====
Everything takes on its natural color during the day. Day lasts from 10:00 AM to 7:59 PM (10:00–19:59), with twilight lasting from around 5:00 PM (17:00) until night sets in. Twilight has its own set of eyecatches.
=====Night=====
Much like its Generation II counterpart, the world is dark, but pockmarked by the bright lights of buildings. Night lasts from 8:00 PM to 3:59 AM (20:00–03:59), with lights in buildings turning off at 12:00 AM (00:00). A majority of areas in Sinnoh have slightly different music during the night, including Pokémon Centers, though this is not true in Kanto and Johto.
===Generation V===
In , the concept of s was introduced. These are akin to the seasons in the real world, only to allow for less restrictive gameplay, the seasons change with every month.
Time of day now varies depending on the current season. As in HeartGold and SoulSilver, day is divided in four different parts: morning, when floodlights in the cities switch off and the sun starts to rise; daytime, when everything is lightened; evening, when the floodlights switch on in the cities and everything starts to be lit with an orange hue; and then nighttime, which is characterized by a darker landscape, both in the overworld map and in battle.
In favor of seasons, Pokémon are no longer found at different times of day, meaning Pokémon that can be found in the current season can be found anytime during the season.
====Time of day in relation to season====
Season	Morning 	Day 	Evening 	Night
Spring	5:00 AM–9:59 AM(05:00–09:59) 	10:00 AM–4:59 PM(10:00–16:59)	5:00 PM–7:59 PM(17:00–19:59)	8:00 PM–4:59 AM(20:00–04:59)
Summer	4:00 AM–8:59 AM(04:00–08:59) 	9:00 AM–6:59 PM(09:00–18:59) 	7:00 PM–8:59 PM(19:00–20:59)	9:00 PM–3:59 AM(21:00–03:59)
Autumn	6:00 AM–9:59 AM(06:00–09:59) 	10:00 AM–5:59 PM(10:00–17:59)	6:00 PM–7:59 PM(18:00–19:59)	8:00 PM–5:59 AM(20:00–05:59)
Winter	7:00 AM–10:59 AM(07:00–10:59)	11:00 AM–4:59 PM(11:00–16:59)	5:00 PM–6:59 PM(17:00–18:59)	7:00 PM–6:59 AM(19:00–06:59)
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Summer
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Autumn
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Winter
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===Generation VI===
Time continued to be based on the system clock in Generation VI, now using the 3DS's clock to track time. Seasons from Generation V did not carry over, however. Therefore, the intervals for when morning, day, evening, and night occur are now constant. Unlike in previous generations, where the time period transitions lasted a few seconds, they may last up to 15 minutes, allowing less abrupt changes in the overworld lighting. If the 3DS clock is changed, time-based events will not occur for 24 hours and any Berries will reset.
In , the game always starts at daytime, the 3DS's clock being taken into account only after the player interacts with the analog clock in their room.
====Times of day====
Morning 	Day 	Evening 	Night
4:00 AM–10:59 AM(04:00–10:59)	11:00 AM–5:59 PM(11:00–17:59)	6:00 PM–8:59 PM(18:00–20:59)	9:00 PM–3:59 AM(21:00–03:59)
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Morning XY.png|Morning
Day XY.png|Day
Evening XY.png|Evening
Night XY.png|Night
===Generation VII===
====Pokémon Sun, Moon, Ultra Sun and Ultra Moon====
In and , the clock functions conventionally, matching the Nintendo 3DS's clock; however, in and , the game runs its time offset by 12 hours from the 3DS's clock. In Pokémon Moon and Ultra Moon, this difference mainly affects the day-night cycle. Events that refresh daily still refresh when the 3DS's clock hits midnight (or noon in-game in Moon and Ultra Moon) and events that rely on the day of the week correlate to the day according to the 3DS's clock.
Specific scenes in the game, such as in the beginning of the game, will be set at specific times, with the clock effectively frozen until that part of the story is completed. Regardless of the games, the player is eventually able to travel to a world that has the opposite time by using the Ultra Wormhole at the Altar of the Sunne/Moone.
Different Pokémon can once again be found depending on the time of day. In the Rotom Pokédex, these species are denoted with a different icon when viewed in the Habitat menu. Certain areas in Alola have slightly different background music depending on the time of day, such as Hau'oli City.
=====Times of day=====
Note that these times refer to the time on the 3DS's clock. That is, within Pokémon Moon and Ultra Moon, "day" still starts at 6 AM (06:00) as far as the game world is concerned. This may be seen at any place that acknowledges the time, such as the Pokémon Center Café.
Game	Game	Morning 	Day 	Evening 	Night
 	 	6:00 AM–9:59 AM(06:00–09:59)	10:00 AM–4:59 PM(10:00–16:59)	5:00 PM–5:59 PM(17:00–17:59)	6:00 PM–5:59 AM(18:00–05:59)
 	 	6:00 PM–9:59 PM(18:00–21:59)	10:00 PM–4:59 AM(22:00–04:59)	5:00 AM–5:59 AM(05:00–05:59)	6:00 AM–5:59 PM(06:00–17:59)
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====Pokémon Let's Go, Pikachu! and Let's Go, Eevee!====
Despite Pokémon: Let's Go, Pikachu! and Let's Go, Eevee! having a few time-based features, they are set in perpetual daytime, much like the original .
===Generation VIII===
====Pokémon Sword and Shield====
In , time is set to specific times of day during the main story as a narrative device. This affects all areas of Galar outside of the Wild Area, and even influences evolution. However, daily events (such as the Battle Café matches) still reset at midnight according to the system time. After the player becomes , time is no longer pre-set outside the Wild Area, and functions solely based on the system time, even during post-game story scenes like the arc involving Sordward and Shielbert.
=====Times of day=====
Morning 	Day 	Evening 	Night
6:00 AM–9:59 AM(06:00–09:59)	10:00 AM–6:59 PM(10:00–18:59)	7:00 PM–7:59 PM(19:00–19:59)	8:00 PM–5:59 AM(20:00–05:59)
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====Pokémon Brilliant Diamond and Shining Pearl====
In , the time function remains the same as Generation IV's, including changes in the overworld lighting and in the availability of wild Pokémon at different times of day, being , , or . However, this time it uses the Nintendo Switch's system clock.
A calendar and day of the week system are also present. The game keeps track of the date of capture of every Pokémon. Some in-game events are influenced by the day of the week; for example, only appear in the Valley Windworks on Fridays, and battles with in the Battle Zone can only be initiated on weekends.
=====Times of day=====
Morning 	Day 	Night
4:00 AM–9:59 AM(04:00–9:59)	10:00 AM–7:59 PM(10:00–19:59)	8:00 PM–3:59 AM(20:00–03:59)
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======Morning======
Everything is bright and sunny, with the lighting facing from the west. Morning times are from 4:00 AM to 9:59 AM (04:00–9:59).
======Day======
Everything takes on its natural color during the day. Day lasts from 10:00 AM to 7:59 PM (10:00–19:59), with twilight lasting from around 5:00 PM (17:00) until night sets in. Twilight has its own set of eyecatches.
======Night======
Much like its Generation IV counterpart, the world is dark, but pockmarked by the bright lights of buildings. Night lasts from 8:00 PM to 3:59 AM (20:00–03:59), with lights in buildings turning off at 12:00 AM (00:00). A majority of areas in Sinnoh have slightly different music during the night, including Pokémon Centers.
====Pokémon Legends: Arceus====
 has its own time system, independent from the system clock. A minute in real life corresponds to an hour in-game. The player can instantly change the current time of day, and even skip to the next day, by resting at or the bed present at each Base camp.
=====Times of day=====
Morning 	Day 	Evening 	Night
4:00 AM–10:59 AM(04:00–10:59)7 real minutes	11:00 AM–4:59 PM(11:00–16:59)6 real minutes	5:00 PM–7:59 PM(17:00–19:59)3 real minutes	8:00 PM–3:59 AM(20:00–03:59)8 real minutes
=====Changing time=====
The time can be changed by going to a Base camp or the player's bed in Jubilife Village and choosing to rest until a certain time. Selecting "Just a little while" will heal the player's party members, but not advance the current time. Selecting the remaining options will advance the day/night cycle to the following times:
Until morning 	Until midday 	Until evening 	Until nightfall
6:00 AM(06:00)	11:00 AM(11:00)	6:00 PM(18:00)	8:00 PM(20:00)
Resting in this manner will however reset the current state in the area and despawn any time-specific Pokémon encounters, as well as resetting timings for space-time distortions and other similar timed events.
===Generation IX===
====Pokémon Scarlet and Violet====
 have their own time system, which with 1 real-life day equal to 20 in-game days. This time can be influenced by the player by altering the system clock prior to opening the game,Scarlet and Violet Day/Night Cycle Mechanics by Atrius97, via Twitter with the time value being determined when the game is first opened.https://twitter.com/Atrius97/status/1657611236694196225 However, the day/night cycle does not begin until the player loads into the overworld, so any changes to the system clock while the game is loading or at the in-game start menu have no effect, the game will load the time from when the game was initially opened. The day/night cycle lasts 72 real minutes in total, repeating 20 times over the course of 24 hours. Different Pokémon can spawn depending on the time of the day; unlike previous games, however, the brief period of evening has its own separate spawns defined as well.
Opening the map by pressing Y will show an icon in the top-center of the maphttps://twitter.com/Atrius97/status/1657609709019623426 indicating the time of day. This icon will dynamically update to show the current time period, however Morning does not have its own unique icon, instead sharing an icon with Day.https://twitter.com/Atrius97/status/1657628499975479296 While the player is in Area Zero, this is the only way to tell the time of day without having to come out.
There are two exceptions to the day/night cycle, the first being that during the tutorial, the time will be locked to Day until visiting Naranja Academy/Uva Academy for the first time and obtaining /.
Area Zero is also unaffected by the day/night cycle (with being the only exception due to a quirkFlutter Mane Spawning Mechanics Quirk), with time-exclusive species and forms spawning regardless of the current time in the rest of Paldea.
The current time is shared between all players in the same instance while playing in co-op via Union Circle, determined by the player hosting the group.
Due to their physical locations being relatively distant from Paldea, both Kitakami and the Terarium experience different s, with Kitakami being 18 (real life) minutes ahead of Paldea, and the Terarium being 18 (real life) minutes behind Paldea. These time differences are roughly the same as those of their real world inspirations.
 Paldea timezone
Real-life Time Intervals (AM & PM) 	Real-life Time Intervals (AM & PM) 	Real-life Time Intervals (AM & PM) 	Real-life Time Intervals (AM & PM)
Morning 	Day 	Evening 	Night
12:18–12:3601:30–01:4802:42–03:0003:54–04:1205:06–05:2406:18–06:3607:30–07:4808:42–09:0009:54–10:1211:06–11:24	12:36–12:5401:48–02:0603:00–03:1804:12–04:3005:24–05:4206:36–06:5407:48–08:0609:00–09:1810:12–10:3011:24–11:42	12:54–12:5702:06–02:0903:18–03:2104:30–04:3305:42–05:4506:54–06:5708:06–08:0909:18–09:2110:30–10:3311:42–11:45	12:57–01:3002:09–02:4203:21–03:5404:33–05:0605:45–06:1806:57–07:3008:09–08:4209:21–09:5410:33–11:0611:45–12:18
18 minutes 	18 minutes 	3 minutes 	33 minutes
 Kitakami timezone
Real-life Time Intervals (AM & PM) 	Real-life Time Intervals (AM & PM) 	Real-life Time Intervals (AM & PM) 	Real-life Time Intervals (AM & PM)
Morning 	Day 	Evening 	Night
12:00–12:1801:12–01:3002:24–02:4203:36–03:5404:48–05:0606:00–06:1807:12–07:3008:24–08:4209:36–09:5410:48–11:06	12:18–12:3601:30–01:4802:42–03:0003:54–04:1205:06–05:2406:18–06:3607:30–07:4808:42–09:0009:54–10:1211:06–11:24	12:36–12:3901:48–01:5103:00–03:0304:12–04:1505:24–05:2706:36–06:3907:48–07:5109:00–09:0310:12–10:1511:24–11:27	12:39–01:1201:51–02:2403:03–03:3604:15–04:4805:27–06:0006:39–07:1207:51–08:2409:03–09:3610:15–10:4811:27–12:00
18 minutes 	18 minutes 	3 minutes 	33 minutes
 Terarium timezone
Real-life Time Intervals (AM & PM) 	Real-life Time Intervals (AM & PM) 	Real-life Time Intervals (AM & PM) 	Real-life Time Intervals (AM & PM)
Morning 	Day 	Evening 	Night
12:36–12:5401:48–02:0603:00–03:1804:12–04:3005:24–05:4206:36–06:5407:48–08:0609:00–09:1810:12–10:3011:24–11:42	12:54–01:1202:06–02:2403:18–03:3604:30–04:4805:42–06:0006:54–07:1208:06–08:2409:18–09:3610:30–10:4811:42–12:00	01:12–01:1502:24–02:2703:36–03:3904:48–04:5106:00–06:0307:12–07:1508:24–08:2709:36–09:3910:48–10:5112:00–12:03	01:15–01:4802:27–03:0003:39–04:1204:51–05:2406:03–06:3607:15–07:4808:27–09:0009:39–10:1210:51–11:2412:03–12:36
18 minutes 	18 minutes 	3 minutes 	33 minutes
If defeated, static encounters such as the treasures of ruin, and fixed symbol encounters such as wild Tera Pokémon will reappear if the player reboots their game after one hour has passed in the Switch's internal clock following their defeat. This is independent from Scarlet and Violet's in-game time system.
===Time-specific events===
:This section relates only to events that occur at specific times but not necessarily on a particular day. For events that occur only on specific days of the week (but not at a particular time), see days of the week.
====Time-based Evolutions====
Several evolve during a certain time of day.
====Generation II====
* The in Mt. Moon Square will trigger between Monday night at 8:00 PM and Tuesday morning at 4:00 AM (20:00–4:00).
* will massage the player's Pokémon between 3:00 and 4:00 PM (15:00–16:00).
* will only challenge the player at night from 6:00 PM to 3:59 AM (18:00–03:59).
* The wild battle theme played in Johto and some locations in Kanto is slightly different at night from 6:00 PM to 3:59 AM (18:00–03:59).
======Effects of changing the clock======
If the clock is reset, every time-based event moves forward and can be repeated right away. Time-based events with a specific window need the clock to be set within that frame. In these games, the time-based events are:
* The .
* The Haircut brothers.
* The .
* The .
* Picking Apricorns and from trees.
* Receiving Apricorn Balls from Kurt.
* The S.S. Aqua voyage.
* The rematch against at Indigo Plateau.
* The Trainer House battle.
====Generation III====
=====Pokémon Ruby, Sapphire, and Emerald=====
* The tides in Shoal Cave depend on the time of day. It is high tide from 9:00 AM to 3:00 PM (09:00–15:00) and 9:00 PM to 3:00 AM (21:00–03:00), and low tide from 3:00 PM to 9:00 PM (15:00–21:00) and 3:00 AM to 9:00 AM (03:00–09:00).
There is no side-effect to changing the clock in these games.
====Generation IV====
=====Pokémon Diamond, Pearl, and Platinum=====
* s will only challenge the player in the morning from 4:00 to 9:59 AM (04:00–09:59).
* will only challenge the player at night from 8:00 PM to 3:59 AM (20:00–03:59).
* The player can catch once from 8:00 PM to 3:59 AM (20:00–03:59) in the Old Chateau.
* The Pal Park transfer can occur only once every 24 hours.
* Certain music changes depending on if it is daytime or night.
======Effects of changing the clock======
* Pal Park: the player must wait 24 hours from when the game is opened after changing the clock to be able to . If the clock was changed, the game to needs sync with the new time so that the penalization period starts running. This can be accomplished by booting the game and saving. Otherwise, the penalization period cannot begin nor end. If the game was booted in a different system, the penalization period can be prevented simply by not saving and, if available, returning the game to the system it's synchronized with.
=====Pokémon HeartGold and SoulSilver=====
* The in Mt. Moon Square will trigger between Monday night at 8:00 PM and Tuesday morning at 4:00 AM (20:00–4:00).
* will massage the player's Pokémon between 3:00 PM and 4:00 PM (15:00–16:00).
* will only challenge the player at night from 8:00 PM to 3:59 AM (20:00–03:59).
======Effects of changing the clock======
If the game detects a different clock, either by changing the date or time of the system or by booting the game in a different system and saving, time-based events will be affected differently.
The following time-based events can be done by directly changing the clock to the time window in which they're active: 
* The Bug-Catching Contest.
* The .
* Commemorative .
* Items available in the at the Pokéathlon Dome.
* The in Union Cave.
* Pokégear radio shows.
* Obtaining the .
* with the Gym Leaders.
* The rematch against at Indigo Plateau.
* The S.S. Aqua voyage (including receiving an item from the captain).
* The in the Goldenrod Tunnel.
* The Week Siblings appearing.
The following daily events can be done by changing the clock to 23:59 and letting the clock roll over to the next day in-game:
* in Goldenrod City. The password will not be available right after the clock rolls over. Saving the game on the new day, then changing the clock for a second time to when (or waiting until) her show is on air (2:00, 5:00, 8:00, 11:00, 14:00, 17:00, 20:00, and 23:00) is necessary.
* 's massage in Pallet Town. The massage will not be available right after the clock rolls over. Saving the game after midnight, then changing the clock for a second time to when (or waiting until) the massage can be requested (15:00–16:00) is necessary.
* Mass outbreaks.
* Hearing a new trendy phrase from the old man on . 
* Picking Apricorns from trees.
* The Pokémon Lottery Corner in Goldenrod City.
* Receiving Apricorn Balls from Kurt.
* Receiving Seals in Olivine City.
* The Trainer House battle in Viridian City.
* Receiving a Ribbon from one of the Week Siblings.
The following time-based events are impacted negatively if the game detects any time change:
* : instead of calculating how long it has been since the game was last saved and matching the Berry's timer to the system's clock, the Berry's timer resumes right from when the game was last saved.
* : the invisible day counter will freeze for 24 hours, period after which it will resume counting days from where it left off when the game was last saved. Just like with Pal Park in , if the clock was changed, the game to needs sync with the new time so that the penalization period starts running. This can be accomplished by booting the game and saving. Otherwise, the penalization period cannot begin nor end. If the game was booted in a different system, the penalization period can be prevented simply by not saving and, if available, returning the game to the system it's synchronized with.
====Generation V====
* Trainers may be battled every day in the Big Stadium and Small Court. However, they cannot be battled during sports events that occur during certain times and days of the week.
* The Royal Unova can be boarded only during the evening.
* The player can purchase Casteliacones once per day. In Black and White, this is only possible on Tuesdays and outside of winter.
* A businessman in Lacunosa Town gives out a , , , or Berry on Sundays/every day during nighttime.
* The Black Empoleon biker gang will "take over" the Tubeline Bridge on Friday evenings and nights, and their leader can be challenged.
* Morimoto and Nishino can be battled in Castelia City once per day. In Black and White, the player must have entered the Hall of Fame for this to be possible.
* A girl on will give out one of the four per day. The rock changes depending on the time of day:
Time of Day	Rock given
Morning 	Damp Rock
 	Heat Rock
Evening 	Smooth Rock
Night 	Icy Rock
====Generation VI====
=====Pokémon X and Y=====
* At the Juice Shoppe in Lumiose City:
** Pre-made Berry Juice is sold to the player once a day.
** Juice may be made for free from Berries from the player's inventory once a day.
* Lumiose Galettes may be purchased for 100 (80 if the player is more ) for four hours at a time starting at 3 AM, 9 AM, 3 PM, and 9 PM (03:00, 09:00, 15:00, 21:00).
** Once per day, the player may also receive a free Moomoo Milk if they purchase a galette during the hours of 3 AM, 9 AM, 3 PM, or 9 PM (03:00, 09:00, 15:00, 21:00).
* In Camphrier Town lives a man who makes daily requests to see a specific Pokémon type that is giving off good vibes. If the player shows him a Pokémon bearing requested type, he will reward them a berry of their choosing.
** A in the same house will also give the player a Sweet Heart once per day as well.
* A massage therapist in Cyllage City will massage the player's lead Pokémon once a day.
* 's Psychic Inver will battle the player in an Inverse Battle once a day.
* Between 8:00 PM and 9:00 PM (20:00–21:00), Mega Stones can be found after upgrading the Mega Ring.
=====Pokémon Omega Ruby and Alpha Sapphire=====
* The tides in Shoal Cave depend on the time of day. It is high tide from 9:00 AM to 3:00 PM (09:00–15:00) and 9:00 PM to 3:00 AM (21:00–03:00), and low tide from 3:00 PM to 9:00 PM (15:00–21:00) and 3:00 AM to 9:00 AM (03:00–09:00).
* In the Nameless Cavern, one of the lake guardians can be encountered depending on the time of day. appears between 4:00 AM and 7:59 PM (04:00–19:59), appears between 8:00 PM and 8:59 PM (20:00–20:59), and appears between 9:00 PM and 3:59 AM (21:00–03:59).
* In the Trackless Forest, one of the Legendary beasts can be encountered depending on the time of day. Each one appears for twenty minutes of every hour. , from zero to 19 minutes past the hour; , from 20 to 39 minutes past; and , from 40 to 59 minutes past.
* In the Island Cave, can be found during the daytime. It requires the player to have a , , and that has been nicknamed and is holding a Casteliacone, Icy Rock, Never-Melt Ice, or Snowball.
* The music that plays when soaring in the sky changes depending on the time of day.
====Generation VII====
=====Pokémon Sun and Moon=====
* The music that plays in Iki Town, Festival Plaza, Hau'oli City, Heahea City, Paniola Town, Poké Pelago, Konikoni City, Malie City, and Seafolk Village change depending on whether it is day or night.
* Certain Pokémon can be found on the depending on whether it is day or night.
* Certain Zygarde Cells can be found depending on whether it is day or night.
* At the Altar of the Sunne/Altar of the Moone, having in the party at night or during the day will allow the player to travel to the Altar of the Moone/Altar of the Sunne.
* Pink Nectar can be found in the day only, and Yellow Nectar can be found at night only.
* During most of the day (10 AM to 5 PM), Haina Desert is bathed in harsh sunlight, while during the night a blows instead.
* Morimoto can be battled once per day during the post-game in Heahea City.
=====Pokémon Ultra Sun and Ultra Moon=====
* The music that plays in Iki Town, Festival Plaza, Hau'oli City, Heahea City, Paniola Town, Poké Pelago, Konikoni City, Malie City, and Seafolk Village change depending on whether it is day or night.
* Certain Pokémon can be found on the Poké Finder depending on whether it is day or night.
* At the Altar of the Sunne/Altar of the Moone, having Necrozma in its Dusk Mane form in the party at night or Dawn Wings during the day will allow the player to travel to the Altar of the Moone/Altar of the Sunne.
* Pink Nectar can be found in the day only, and Yellow Nectar can be found at night only.
* During most of the day (10 PM to 5 PM), Haina Desert is bathed in harsh sunlight, while during the night a blows instead.
* After hearing about the mysteries from a Youngster on Big Wave Beach, a single Preschooler with a will ask player to solve the seven mysteries if the player visits the Trainers' School at night.
* Morimoto and Iwao can be battled in a Multi Battle once per day in Heahea City.
=====Pokémon: Let's Go, Pikachu! and Let's Go, Eevee!=====
* Mina can be fought once a day at .
* Items respawn in several locations throughout the region.
* A Big Pearl can be earned from the lady west of the Pewter Museum of Science for watching over her .
====Generation VIII====
=====Pokémon Sword and Shield=====
* Battle Cafés can be challenged once per day.
* The bargain shop at Stow-on-Side will sell the player one item per day.
* A man in Stow-on-Side will buy one valuable item from the player once per day.
* Morimoto can be battled once per day during the post-game in Circhester.
* After completing the main story, the player can battle Marnie in Spikemuth once a day.
* After completing The Isle of Armor story, the player can battle Klara/Avery, Mustard, and once a day.
* After completing The Crown Tundra story, the player can battle Peony once a day.
=====Pokémon Brilliant Diamond and Shining Pearl=====
* s will only challenge the player in the morning from 4:00 to 9:59 AM (04:00–09:59).
* will only challenge the player at night from 8:00 PM to 3:59 AM (20:00–03:59).
* The player can catch once from 8:00 PM to 3:59 AM (20:00–03:59) in the Old Chateau.
* Certain music changes depending on if it is daytime or night.
====Generation IX====
=====Pokémon Scarlet and Violet=====
* Galarica Twigs can be found only during the evening hour in the Coastal Biome of the Blueberry Academy Terarium.
==In the spin-off games==
===Pokémon Mystery Dungeon series===
In the a day has passed every time the player comes back from an adventure or plays Sentry Duty. During the story, one day can incorporate clearing several dungeons in a row with save points in between.
Clearing Blizzard Island gives the player the choice to go through Crevice Cave or not, if the player chooses not to a day has passed. When going to Hidden Land, a day never passes unless the player leaves back to Treasure Town or completes Temporal Tower.
===Pokémon Conquest===
In , The shortest unit of time measured in Pokémon Conquest is a month (not real time). Every story starts on January, Year 1. In two stories (The Rebel and Tragic Determination), the goal is to defeat Nobunaga before January, Year 4 (before 3 years had passed).
Opposing armies will only attack at the very start of the month, except for one time in The Legend of Ransei where Shingen or Kenshin attack after they decline a battle with the .
===Pokémon GO===
In , day and night changes depend on sunset and sunrise in the player's location. The difference between day and night is the appearance, the music, and the evolution of some Pokémon. Additionally, s do not spawn during a specific range of hours at night. Sunny weather during the day becomes Clear weather during the night; the effects of the two, however, are identical.
If a Mystery Box is acquired and opened, three days must pass before it can be opened again.
For the time-based Evolutions, see Time-based Evolution → Pokémon GO.
===Pokémon Sleep===
In , the day is divided into three parts for three meals: morning (4:00 AM to 11:59 AM) for breakfast, day (12:00 PM to 5:59 PM) for lunch, and night (6:00 PM to 3:59 AM) for dinner. These times are all set based on the player's current time zone. The daily events (such as sleeping time, shop events, etc) last from 4:00 AM to 3:59 AM the next day. The week starts on Monday.
Prior to version 1.5.0 (released April 18, 2024), night lasted till 5:59 AM instead of 3:59 AM and morning began from 6:00 AM instead of 4:00 AM.
===Pokémon Party mini===
In Pokémon Party mini, the Celebi's Clock is a clock with date, alarm and stopwatch functions.
===Eevee × Tamagotchi===
In Eevee × Tamagotchi, there is a digital clock function. The player is required to set up the time before starting the game.
==In other languages==
Morning
Day
Evening
Night
Late night
==Related articles==
* Matutinal Pokémon
* Diurnal Pokémon
* Vespertine Pokémon
* Nocturnal Pokémon
==References==
Category:Game mechanics
Category:Time
de:Zeit
es:Tiempo
fr:Temps (durée)
it:Tempo
ja:時間帯
zh:时间