Time Zone History

Ittoqqortoormiit time zone history

On standard time, clocks at Ittoqqortoormiit run 32 minutes behind local mean solar time, the fifth-largest gap of the 79 zones whose clocks run behind the sun. On March 31, 2024 the summer offset, UTC−1, became permanent standard time; the clocks did not move that day.

UTC−2

Standard time is UTC−2; clocks go forward to UTC−1 on the last Saturday in March and back on the last Sunday in October.

Covers: Scoresbysund/Ittoqqortoormiit · tz database name America/Scoresbysund

Convert a time from Ittoqqortoormiit

Summer time in 47 of 57 years since 1970

UTC−2: today’s standard timeUTC−1:27:52: 32 minutes ahead of today’s standard timeUTC−1: 1 hour ahead of today’s standard timeUTC+0: 2 hours ahead of today’s standard timeUTC−2: today’s standard timeUTC−1:27:52: 32 minutes ahead oftoday’s standard timeUTC−1: 1 hour ahead of today’sstandard timeUTC+0: 2 hours ahead of today’sstandard time

How to read this chart

Before 1970

19101920193019401950196019701910192019301940195019601970
JanFebMarAprMayJunJulAugSepOctNovDec1970198019902000201020202028JFMAMJJASOND1970198019902000201020202028

Standard time changes

DateChangeNew standard timeClock label
Before 1970
July 28, 1916Local mean time (UTC−1:27:52) replacedUTC−2numeric only
Since 1970
March 29, 1981Standard time forward 1 hourUTC−1numeric only
March 31, 2024Summer offset kept as standard time; clocks did not moveUTC−2numeric only

Daylight saving periods

YearsClocks go forwardClocks go backShift and labels
1980April 6September 281 hour
1981not that yearSeptember 271 hour
1982–1995last Sunday in March, 00:00last Sunday in September, 01:001 hour
1996–2023last Sunday in March, 00:00last Sunday in October, 01:001 hour
2024not that yearOctober 271 hour
2025–2028last Saturday in March, 23:00last Sunday in October, 00:001 hour
2029March 24October 281 hour
2030–2034last Saturday in March, 23:00last Sunday in October, 00:001 hour
2035March 24October 281 hour
2036–2037last Saturday in March, 23:00last Sunday in October, 00:001 hour

Clock changes in 2026, 2027 and 2028

The clocks go forward 1 hour on March 28, 2026, March 27, 2027 and March 25, 2028 at 23:00 and back 1 hour on October 25, 2026, October 31, 2027 and October 29, 2028 at 00:00, local time.

Also on UTC−2

Nuuk (Greenland), Fernando de Noronha (Brazil) and South Georgia and the South Sandwich Islands.

Clocks next door since 1970

  • Danmarkshavn (706 km): same time except 14,827 days in 1970–2026; 2 hours ahead today.
  • Faroe Islands (1,155 km): usually 1 hour ahead; different on 4,936 days in 1970–1981 and 2024–2026; 2 hours ahead today.
  • Nuuk (1,434 km): usually 2 hours behind; different on 5,265 days in 1970–1981 and 2023–2026; same time today.
  • Pituffik (Thule) (1,568 km): usually 3 hours behind; different on 7,405 days in 1970–2026; 2 hours behind today.
  • Ireland (2,062 km): usually 1 hour ahead; different on 5,538 days in 1970–1995 and 2024–2026; 3 hours ahead today.