Omsk time zone history
The Omsk zone has changed its standard time 4 times since 1970, the most of the 6 zones on UTC+6 standard time. The latest change of standard time came on October 26, 2014, from UTC+7 to UTC+6. Daylight saving time was used in 30 years since 1970, last in 2010; under the current rules the clocks no longer change.
UTC+6
Standard time is UTC+6 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 | |||
| November 14, 1919 | Local mean time (UTC+4:53:30) replaced | UTC+5 | numeric only |
| June 21, 1930 | Standard time forward 1 hour | UTC+6 | numeric only |
| Since 1970 | |||
| March 31, 1991 | Summer offset kept as standard time; clocks did not move | UTC+5 | numeric only |
| January 19, 1992 | Standard time forward 1 hour | UTC+6 | numeric only |
| March 27, 2011 | Standard time forward 1 hour | UTC+7 | numeric only |
| October 26, 2014 | Standard time back 1 hour | UTC+6 | numeric only |
Daylight saving periods
Since 1970: the periods shared by 14 of 26 zones, listed on the Russia page.
Also on UTC+6
Kyrgyzstan, Ürümqi (China), Bhutan, Bangladesh and British Indian Ocean Territory.
Clocks next door since 1970
- Novosibirsk (606 km): usually 1 hour ahead; different on 8,464 days in 1981–2016.
- Qostanay (Kazakhstan) (668 km): usually 1 hour behind; different on 4,648 days in 1981–2011 and 2014–2024.
- Barnaul (697 km): usually 1 hour ahead; different on 7,610 days in 1981–2016.
- Tomsk (742 km): usually 1 hour ahead; different on 5,144 days in 1981–2016.
- Yekaterinburg (822 km): usually 1 hour behind; different on 3 days in 1981–2011 and 2014.
How it compares
On standard time, clocks in Omsk run 1 hour 6 minutes ahead of local mean solar time.