Time Zone History

Vladivostok time zone history

The Vladivostok zone has changed its standard time 4 times since 1970, the second-most of the 10 zones on UTC+10 standard time. Vladivostok kept local mean time (UTC+8:47:31) until 1922, the latest switch of the 9 zones on UTC+10 standard time with local mean time in the record. On standard time, clocks at Vladivostok run 1 hour 12 minutes ahead of local mean solar time, the largest gap of the 7 zones on UTC+10 standard time whose clocks run ahead of the sun.

UTC+10

Standard time is UTC+10 all year under the current rules.

Covers: Amur River area · tz database name Asia/Vladivostok

Convert a time from Vladivostok

Summer time in 30 of 57 years since 1970

UTC+8:47:31, UTC+9: behind today’s standard timeUTC+10: today’s standard timeUTC+11: 1 hour ahead of today’s standard timeUTC+8:47:31, UTC+9: behind today’sstandard timeUTC+10: today’s standard timeUTC+11: 1 hour ahead of today’sstandard time

How to read this chart

Before 1970

19101920193019401950196019701910192019301940195019601970
JanFebMarAprMayJunJulAugSepOctNovDec1970198019902000201020202028JFMAMJJASOND1970198019902000201020202028

Standard time changes

DateChangeNew standard timeClock label
Before 1970
November 15, 1922Local mean time (UTC+8:47:31) replacedUTC+9numeric only
June 21, 1930Standard time forward 1 hourUTC+10numeric only
Since 1970
March 31, 1991Summer offset kept as standard time; clocks did not moveUTC+9numeric only
January 19, 1992Standard time forward 1 hourUTC+10numeric only
March 27, 2011Standard time forward 1 hourUTC+11numeric only
October 26, 2014Standard time back 1 hourUTC+10numeric only

Daylight saving periods

Since 1970: the periods shared by 14 of 26 zones, listed on the Russia page.

Also on UTC+10

Ust-Nera (Russia), Guam, Port Moresby (Papua New Guinea), Lindeman (Australia), Brisbane (Australia), Sydney (Australia), Melbourne (Australia), Hobart (Australia) and Macquarie Island (Australia).

Clocks next door since 1970

  • North Korea (694 km): usually 1 hour behind; different on 8,179 days in 1981–2018.
  • South Korea (753 km): usually 1 hour behind; different on 6,933 days in 1981–2014.
  • Sakhalin (944 km): usually 1 hour ahead; different on 6,938 days in 1981–2016.
  • Japan (1,070 km): usually 1 hour behind; different on 7,185 days in 1981–2014.
  • Shanghai (China) (1,616 km): usually 2 hours behind; different on 6,597 days in 1981–2014.

How it compares

The latest change of standard time came on October 26, 2014, from UTC+11 to UTC+10.

Daylight saving time was used in 30 years since 1970, last in 2010; under the current rules the clocks no longer change.

The record holds 4 different UTC offsets, the third-most of the 10 zones on UTC+10 standard time.