Novokuznetsk time zone history
Novokuznetsk kept local mean time (UTC+5:48:48) until 1924, the latest switch of the 10 zones on UTC+7 standard time with local mean time in the record. The latest change of standard time came on March 27, 2011, from UTC+6 to UTC+7. Daylight saving time was used in 30 years since 1970, last in 2010; under the current rules the clocks no longer change.
UTC+7
Standard time is UTC+7 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 1, 1924 | Local mean time (UTC+5:48:48) replaced | UTC+6 | numeric only |
| June 21, 1930 | Standard time forward 1 hour | UTC+7 | numeric only |
| Since 1970 | |||
| March 31, 1991 | Summer offset kept as standard time; clocks did not move | UTC+6 | numeric only |
| January 19, 1992 | Standard time forward 1 hour | UTC+7 | numeric only |
| March 28, 2010 | Summer offset kept as standard time; clocks did not move | UTC+6 | numeric only |
| March 27, 2011 | Standard time forward 1 hour | UTC+7 | numeric only |
Daylight saving periods
| Years | Clocks go forward | Clocks go back | Shift and labels |
|---|---|---|---|
| 1981–1983 | 1 April, 00:00 | 1 October, 00:00 | 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+7
Barnaul (Russia), Novosibirsk (Russia), Tomsk (Russia), Krasnoyarsk (Russia), Hovd (Mongolia), Thailand, Vietnam, Pontianak (Indonesia), Jakarta (Indonesia) and Davis Station (Antarctica).
Clocks next door since 1970
- Barnaul (226 km): same time except 5,936 days in 1995–2010 and 2014–2016.
- Novosibirsk (307 km): same time except 6,790 days in 1993–2010 and 2014–2016.
- Tomsk (335 km): same time except 3,469 days in 2002–2010 and 2014–2016.
- Krasnoyarsk (444 km): same time except 1,673 days in 2010–2014.
- Hovd (Mongolia) (712 km): same time except 5,477 days in 1970–1977, 1981, 1982, 1984–2011, 2015 and 2016.
- Omsk (898 km): usually 1 hour behind; different on 1,675 days in 1981–2014.
How it compares
On standard time, clocks in Novokuznetsk run 1 hour 12 minutes ahead of local mean solar time.