Daylight Saving Time or Summer Time is used in Greenland, except in Danmarkshavn and Pituffik. In places observing Daylight Saving Time it begins on the last Sunday in March at 1:00 am UTC and ends on the last Sunday in October at 1:00 am UTC. Greenland uses the same daylight saving time rules as the rest of Europe.

Qaanaaq, formerly Thule, uses GMT - 4 and observes daylight saving time at which time they are GMT-3.

Nuuk or Godthab uses GMT - 3 and observes daylight saving time at which time they are GMT-2.

Scoresbysund or Ittoqqortoormiit uses GMT -1 and observes daylight saving time at which time they are GMT +0.

Eastern Portion of Greenland known as Danmarkshavn uses GMT (Greenwich Mean Time) and does not observe daylight saving time.