UTC+12:00
identifier for a time offset from UTC of +12
UTC+12:00 is an identifier for a time offset from UTC of +12:00.
As standard time (year-round)
Principal cities: Anadyr, Petropavlovsk-Kamchatsky, Mata Utu, Funafuti, Majuro, Yaren, South Tarawa on Tarawa, Suva
North Asia
Russia – Kamchatka Time
Far Eastern Federal District
Chukotka Autonomous Okrug and Kamchatka Krai
Oceania
Pacific Ocean
Polynesia
France
Wallis and Futuna
Tuvalu
Micronesia
United States
Wake Island – Time in the United States
Marshall Islands
Kiribati
Gilbert Islands
(Including the Islands of Abaiang, Abemama, Aranuka, Arorae, Banaba, Beru, Butaritari, Kuria, Maiana, Makin, Marakei, Nikunau, Nonouti, Onotoa, Tabiteuea, Tamana and Tarawa)
Nauru
Melanesia
Fiji
As standard time (Southern Hemisphere winter)
Principal cities: Auckland, Christchurch, Wellington
Oceania
Australasia
New Zealand (except Chatham Islands) – New Zealand Standard Time
Antarctica
Some research bases in Antarctica, in particular the South Pole and the McMurdo Station. At New Year, these places are the first in the world to see the Sun, which is then visible at midnight.
As daylight saving time (Southern Hemisphere summer)
Principal towns: Burnt Pine, Kingston
Oceania
Australia
Norfolk Island
Discrepancies between official UTC+12:00 and geographical UTC+12:00
Areas in UTC+12:00 longitudes using other time zones
Using UTC-10:00
United States
The western part of Aleutian Islands, Alaska (standard time)
Areas outside UTC+12:00 longitudes using UTC+12:00 time
Areas between 157°30′ E and 172°30′ E ("Physical" UTC+11:00)
Russia
The western part of Chukotka Autonomous Okrug
Kamchatka Krai
United States
Wake Island
Marshall Islands
Nauru
Areas between 180° and 157°30′ W ("Physical" UTC-12:00 and UTC-11:00)
New Zealand
Kermadec Islands
Fiji
Eastern parts, including:
Ringgold Isles
Northern Lau Group
Southern Lau Group
Eastern of Moala Group
Vatoa Island
Ono-i-Lau
Tuvana-i-Tholo
Wallis and Futuna
Russia
The eastern of Wrangel Island
The easternmost part of Chukotka Autonomous Okrug, including Chukchi Peninsula and Big Diomede Island (partly within the "physical" UTC-11:00 area)
Historical changes
Kwajalein Atoll, in the Marshall Islands, advanced 24 hours to the Eastern Hemisphere side of the International Date Line by skipping August 21, 1993.
“UTC+12:00” enters the record as identifier for a time offset from UTC of +12. Crown Archives preserves that source wording while asking what identifier, time and offset can confirm, complicate or overturn.
Why this record matters
“UTC+12:00” is worth following because a concise public description often conceals a longer documentary argument. Here, identifier, time and offset provides the most credible route into that argument.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 4, 2026. The linked authority identifier is Q7105. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1993.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “UTC+12:00”, its source revision and the description used here.
- Expand the search: follow UTC+12:00 primary sources, UTC+12:00 archive and identifier research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “UTC+12:00”?
- Which cited source is closest to the event, object or claim?
- Which institution is responsible for the underlying evidence?
Search terms from this dossier
This entry incorporates text from “UTC+12:00” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.