Time Zone History

Ulyanovsk time zone history

The record holds 5 different UTC offsets, the most of the 9 zones on UTC+4 standard time. The latest change of standard time came on March 27, 2016, from UTC+3 to UTC+4. Clocks have been changed 64 times since 1970, tied for the most among the 9 zones on UTC+4 standard time.

UTC+4

Standard time is UTC+4 all year under the current rules.

Covers: Ulyanovsk region · tz database name Europe/Ulyanovsk

Convert a time from Ulyanovsk

Summer time in 30 of 57 years since 1970

UTC+2: 2 hours behind today’s standard timeUTC+3, UTC+3:13:36: behind today’s standard timeUTC+4: today’s standard timeUTC+5: 1 hour ahead of today’s standard timeUTC+2: 2 hours behind today’sstandard timeUTC+3, UTC+3:13:36: behind today’sstandard timeUTC+4: today’s standard timeUTC+5: 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
July 1, 1919Local mean time (UTC+3:13:36) replacedUTC+3numeric only
June 21, 1930Standard time forward 1 hourUTC+4numeric only
Since 1970
March 26, 1989Summer offset kept as standard time; clocks did not moveUTC+3numeric only
March 31, 1991Summer offset kept as standard time; clocks did not moveUTC+2numeric only
January 19, 1992Standard time forward 1 hourUTC+3numeric only
March 27, 2011Standard time forward 1 hourUTC+4numeric only
October 26, 2014Standard time back 1 hourUTC+3numeric only
March 27, 2016Standard time forward 1 hourUTC+4numeric only

Daylight saving periods

YearsClocks go forwardClocks go backShift and labels
1981–19831 April, 00:001 October, 00:001 hour
1984April 1September 301 hour
1985–1988last Sunday in March, 02:00last Sunday in September, 03:001 hour
1989not that yearSeptember 241 hour
1990March 25September 301 hour
1991not that yearSeptember 291 hour
1992–1995last Sunday in March, 02:00fourth Sunday in September, 03:001 hour
1996–2010last Sunday in March, 02:00last Sunday in October, 03:001 hour

Also on UTC+4

Samara (Russia), Saratov (Russia), Astrakhan (Russia), Georgia, Azerbaijan, Armenia, United Arab Emirates and Mauritius.

Clocks next door since 1970

  • Samara (171 km): same time except 7,272 days in 1991–2010 and 2014–2016.
  • Saratov (346 km): same time except 980 days in 1988, 1989, 1991, 1992 and 2016.
  • Oral (Kazakhstan) (399 km): usually 1 hour ahead; different on 2,116 days in 1981–2011 and 2014–2016.
  • Kirov (481 km): same time except 4,296 days in 1991, 1992 and 2016–2026; 1 hour behind today.
  • Volgograd (681 km): same time except 3,869 days in 1988, 1989, 1991, 1992, 2016–2018 and 2020–2026; 1 hour behind today.

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.

On standard time, clocks in Ulyanovsk run 46 minutes ahead of local mean solar time.