Anadyr time zone history
The Anadyr zone has changed its standard time 5 times since 1970, the most of the 7 zones on UTC+12 standard time. The latest change of standard time came on March 27, 2011, from UTC+11 to UTC+12. Daylight saving time was used in 30 years since 1970, last in 2010; under the current rules the clocks no longer change.
UTC+12
Standard time is UTC+12 all year under the current rules.
Summer time in 30 of 57 years since 1970
Before 1970
Standard time changes
| Date | Change | New standard time | Clock label |
|---|---|---|---|
| Before 1970 | |||
| May 2, 1924 | Local mean time (UTC+11:49:56) replaced | UTC+12 | numeric only |
| June 21, 1930 | Standard time forward 1 hour | UTC+13 | numeric only |
| Since 1970 | |||
| April 1, 1982 | Summer offset kept as standard time; clocks did not move | UTC+12 | numeric only |
| March 31, 1991 | Summer offset kept as standard time; clocks did not move | UTC+11 | numeric only |
| January 19, 1992 | Standard time forward 1 hour | UTC+12 | numeric only |
| March 28, 2010 | Summer offset kept as standard time; clocks did not move | UTC+11 | numeric only |
| March 27, 2011 | Standard time forward 1 hour | UTC+12 | numeric only |
Daylight saving periods
| Years | Clocks go forward | Clocks go back | Shift and labels |
|---|---|---|---|
| 1981 | April 1 | October 1 | 1 hour |
| 1982 | not that year | October 1 | 1 hour |
| 1983 | April 1 | October 1 | 1 hour |
| 1984 | April 1 | September 30 | 1 hour |
| 1985–1990 | last Sunday in March, 02:00 | last Sunday in September, 03:00 | 1 hour |
| 1991 | not that year | September 29 | 1 hour |
| 1992–1995 | last Sunday in March, 02:00 | fourth Sunday in September, 03:00 | 1 hour |
| 1996–2009 | last Sunday in March, 02:00 | last Sunday in October, 03:00 | 1 hour |
| 2010 | not that year | October 31 | 1 hour |
Also on UTC+12
Kamchatka (Russia), Marshall Islands, Tarawa (Kiribati), Nauru, Fiji and Auckland (New Zealand).
Clocks next door since 1970
- Nome (United States) (813 km): usually 21 hours behind; different on 10,183 days in 1970–2026.
- Srednekolymsk (1,104 km): usually 1 hour behind; different on 6,148 days in 1970–2014.
- Adak (United States) (1,470 km): usually 22 hours behind; different on 10,123 days in 1970–2026.
- Magadan (1,487 km): usually 1 hour behind; different on 6,694 days in 1970–2016.
- Ust-Nera (1,611 km): usually 1 hour behind; different on 9,459 days in 1970–2011 and 2014–2026; 2 hours behind today.
How it compares
Anadyr kept local mean time (UTC+11:49:56) until 1924, the latest switch of the 7 zones on UTC+12 standard time.
On standard time, clocks in Anadyr run 10 minutes ahead of local mean solar time.