Chita time zone history
The Chita zone has changed its standard time 5 times since 1970, the second-most of the 9 zones on UTC+9 standard time. On standard time, clocks at Chita run 1 hour 26 minutes ahead of local mean solar time, the largest gap of the 6 zones on UTC+9 standard time whose clocks run ahead of the sun. The latest change of standard time came on March 27, 2016, from UTC+8 to UTC+9.
UTC+9
Standard time is UTC+9 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 | |||
| December 15, 1919 | Local mean time (UTC+7:33:52) replaced | UTC+8 | numeric only |
| June 21, 1930 | Standard time forward 1 hour | UTC+9 | numeric only |
| Since 1970 | |||
| March 31, 1991 | Summer offset kept as standard time; clocks did not move | UTC+8 | numeric only |
| January 19, 1992 | Standard time forward 1 hour | UTC+9 | numeric only |
| March 27, 2011 | Standard time forward 1 hour | UTC+10 | numeric only |
| October 26, 2014 | Standard time back 2 hours | UTC+8 | numeric only |
| March 27, 2016 | Standard time forward 1 hour | UTC+9 | numeric only |
Daylight saving periods
Since 1970: the periods shared by 14 of 26 zones, listed on the Russia page.
Also on UTC+9
Yakutsk (Russia), North Korea, Khandyga (Russia), South Korea, Japan, Palau, Jayapura (Indonesia) and East Timor.
Clocks next door since 1970
- Irkutsk (623 km): usually 1 hour behind; different on 521 days in 1981–2011 and 2014–2016.
- Ulaanbaatar (Mongolia) (657 km): usually 1 hour behind; different on 7,190 days in 1970–1977 and 1981–2016.
- Krasnoyarsk (1,412 km): usually 2 hours behind; different on 523 days in 1981–2011 and 2014–2016.
- Yakutsk (1,470 km): same time except 518 days in 2014–2016.
- Hovd (Mongolia) (1,615 km): usually 2 hours behind; different on 7,189 days in 1970–1977 and 1981–2016.
How it compares
Daylight saving time was used in 30 years since 1970, last in 2010; under the current rules the clocks no longer change.