America/Thule time zone
Atlantic Time in Greenland.
20:07:00
Saturday, 14 November 2026
UTC offset
UTC-04:00
Abbreviation
AST
Daylight saving
Not now
Region
North America
Greenland
Clock changes in America/Thule
- Sun, 8 Mar 2026Clocks go forward 1h: UTC-04:00 to UTC-03:00
- Sun, 1 Nov 2026Clocks go back 1h: UTC-03:00 to UTC-04:00
- Sun, 14 Mar 2027Clocks go forward 1h: UTC-04:00 to UTC-03:00
- Sun, 7 Nov 2027Clocks go back 1h: UTC-03:00 to UTC-04:00
Compared with other time zones
- UTC4h ahead00:07
- America/New York1h behind19:07
- Europe/London4h ahead00:07
- Asia/Kolkata9h 30m ahead05:37
- Asia/Tokyo13h ahead09:07
Frequently asked questions
What is the UTC offset of America/Thule?
America/Thule is at UTC-04:00 right now. Its offset changes during the year because it observes daylight saving time.
Does America/Thule observe daylight saving time?
Yes. Clocks in America/Thule change during the year, and the exact dates are listed on this page.