Thule, Greenland · UTC-3
Convert time from Thule
Thule is in the Atlantic Time zone (AST/UTC-4), shifting to UTC-3 in summer. Greenland’s northwestern settlements observe daylight saving time.
Thule is a name that once meant the edge of the known world. The ancient Greeks used “Ultima Thule” to describe the farthest northern lands they could imagine. The modern Thule sits at 76 degrees north latitude in northwest Greenland, which is roughly as far north as you can live on this planet.
The civil settlement is now called Qaanaaq. The name “Thule” survives in the nearby Thule Air Base, a US military facility, and in the broader geographic designation. The population is small, several hundred Inuit people, plus base personnel.
At 76 degrees north, Thule experiences extreme light cycles. For about four months, the sun does not set. For about four months, it does not rise. Polar night runs from mid-October to late February. The midnight sun runs from mid-April to late August. The clock at UTC-4 (or UTC-3 during DST) bears little relationship to the local solar experience during these extremes.
polar extremes and American DST alignment
Greenland uses several different timezones across its vast territory. Thule’s timezone, America/Thule, applies specifically to the Thule area and observes DST on the American schedule, creating alignment with eastern Canada during summer, which matters for logistics and flight connections.
9am in Thule is 1pm in London. Nuuk in southern Greenland uses a different timezone.
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Read more about time in Greenland →Same time as Thule
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Questions about time in Thule
- What timezone is Thule in?
- Thule uses the IANA timezone
America/Thule. The UTC offset is UTC-4 in winter (standard time) and UTC-3 during daylight saving time (summer). - Does Thule observe daylight saving time?
- Yes. Thule observes daylight saving time, shifting from UTC-4 (standard time) to UTC-3 in summer.
- What is the current UTC offset for Thule?
- Thule is currently at UTC-3. It is currently observing daylight saving time.
- What is the time difference between Thule and New York?
- Thule is currently 1 hour ahead of New York.
- What is the time difference between Thule and London?
- Thule is currently 4 hours behind London.
- What is the time difference between Thule and Los Angeles?
- Thule is currently 4 hours ahead of Los Angeles.
- What is the time difference between Thule and Tokyo?
- Thule is currently 12 hours behind Tokyo. Tokyo does not observe daylight saving time, so this gap changes by 1 hour when Thule transitions to/from DST.
- What is the IANA timezone name for Thule?
- The IANA timezone database identifier for Thule is
America/Thule. Use this string in programming languages and APIs: JavaScript (`new Intl.DateTimeFormat('en-US', { timeZone: 'America/Thule' })`), Python (`pytz.timezone('America/Thule')`), or any IANA-compatible library.