Time Zone History

Danmarkshavn time zone history

The largest single move came on January 1, 1996, when clocks went forward 3 hours, from UTC−3 to UTC+0. On standard time, clocks at Danmarkshavn run 1 hour 15 minutes ahead of local mean solar time, the largest gap of the 11 zones on UTC+0 standard time whose clocks run ahead of the sun. Daylight saving time was used in 16 years since 1970, last in 1995; under the current rules the clocks no longer change.

UTC+0

Standard time is UTC+0 (GMT) all year under the current rules.

Covers: National Park, east coast · tz database name America/Danmarkshavn

Convert a time from Danmarkshavn

Summer time in 16 of 57 years since 1970

UTC−3: 3 hours behind today’s standard timeUTC−2: 2 hours behind today’s standard timeUTC−1:14:40: 1 hour 15 minutes behind today’s standard timeUTC+0: today’s standard timeUTC−3: 3 hours behind today’sstandard timeUTC−2: 2 hours behind today’sstandard timeUTC−1:14:40: 1 hour 15 minutesbehind today’s standard timeUTC+0: today’s standard 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−1:14:40) replacedUTC−3numeric only
Since 1970
January 1, 1996Standard time forward 3 hoursUTC+0GMT

Daylight saving periods

YearsClocks go forwardClocks go backShift and labels
1980April 6September 271 hour
1981–1984fourth Saturday in March, 22:00last Saturday in September, 23:001 hour
1985–1989last Saturday in March, 22:00fourth Saturday in September, 23:001 hour
1990March 24September 291 hour
1991–1995last Saturday in March, 22:00fourth Saturday in September, 23:001 hour

Also on UTC+0

Faroe Islands, United Kingdom, Lisbon (Portugal), Morocco, Madeira (Portugal), Canary Islands (Spain), Western Sahara, Guinea-Bissau, Liberia and Côte d’Ivoire (nearest first; 2 more on the list of offsets).

Clocks next door since 1970

  • Ittoqqortoormiit (706 km): same time except 14,827 days in 1970–2026; 2 hours behind today.
  • Pituffik (Thule) (1,247 km): usually 1 hour behind; different on 13,460 days in 1980–2026; 4 hours behind today.
  • Faroe Islands (1,697 km): usually 3 hours ahead; different on 11,498 days in 1980 and 1996–2026; same time today.
  • Nuuk (1,812 km): same time except 11,323 days in 1996–2026; 2 hours behind today.
  • Resolute (Canada) (1,953 km): usually 5 hours behind; different on 13,498 days in 1970–2026; 6 hours behind today.

How it compares

Danmarkshavn kept local mean time (UTC−1:14:40) until 1916, the third-latest switch of the 12 zones on UTC+0 standard time with local mean time in the record.