Anadyr Daylight Time (Historical)

UTC offset: +13:00 (historical, summer only)
Standard offset: +12:00 (ANAT, current year-round)
IANA identifier: Asia/Anadyr
Abbreviation: ANAST (no longer active)
DST status: Discontinued since 2011

Anadyr Daylight Time shifted Russia's easternmost inhabited territory one hour forward from +12:00 to +13:00 during summer. At +13:00, Chukotka briefly matched Tonga and sat one hour ahead of New Zealand. Russia abolished all DST in 2011 (with subsequent adjustments), and Chukotka has remained at permanent UTC+12:00 since.

Chukotka Autonomous Okrug and Kamchatka Krai share the +12:00 zone, making them Russia's easternmost time zone, nine hours ahead of Moscow.

Chukotka

The Chukotka Autonomous Okrug is one of the most remote and sparsely populated regions on Earth. About 50,000 people in an area of 721,000 km2 (larger than France). Population density: 0.07 people per km2. The terrain is tundra, coastal mountains, and sea ice. The Bering Strait separates Chukotka from Alaska by about 85 km at the narrowest point.

The capital, Anadyr, has about 15,000 residents. It sits on the shore of Anadyr Bay on the Bering Sea. The city is notable for its brightly painted Soviet-era apartment buildings (colors help residents identify buildings in blizzard conditions and relieve the monotony of months of grey Arctic light).

Indigenous Peoples

Chukotka's original inhabitants are the Chukchi (coastal/reindeer-herding people) and Siberian Yupik (coastal, closely related to Alaskan Yupik). Traditional culture centers on:

• Reindeer herding (interior Chukchi)
• Marine mammal hunting: walrus, seal, whale (coastal Chukchi and Yupik)
• Skin boats (baidaras), dog sleds, and modern snowmobiles

The region retains one of the few legal indigenous whale hunts in the world (International Whaling Commission quota for aboriginal subsistence).

Extreme Conditions

• Winter temperatures: -30C to -45C (with wind chill much lower)
• Summer: brief, 5-12C, with continuous daylight above Arctic Circle
• Sea ice covers coastal waters 8-9 months per year
• No roads connect Anadyr to any other Russian city (access by air or sea only)
• Supply ships arrive during brief ice-free summer window

The Date Line Proximity

Chukotka at +12:00 and adjacent Alaska at -09:00 (AKST) are separated by the International Date Line. When it's Monday noon in Anadyr, it's Sunday 4:00 p.m. in Nome, Alaska (85 km away across the Bering Strait). This 21-hour same-direction gap (or 3-hour, day-earlier gap) between geographically adjacent points is one of the most dramatic time zone boundaries on Earth.

Economy

Minimal and largely extractive:

• Gold mining (significant deposits in central Chukotka)
• Some coal mining
• Subsistence hunting and fishing
• Government/military employment
• Very limited tourism (extreme adventure travel)

Technical Identifiers

• Asia/Anadyr (IANA canonical)
• ANAT (current, Anadyr Time, UTC+12:00)
• Windows: "Russia Time Zone 11"
• Hours from Moscow: +9
• Historical: +12:00 winter / +13:00 summer (pre-2011)

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