Mariehamn, Aland Islands Β· UTC+3
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Mariehamn is the capital of the Γ land Islands, an autonomous Swedish-speaking archipelago that is politically part of Finland. It runs on Eastern European Time, UTC+2 in winter and UTC+3 during summer daylight saving, following Finland rather than Sweden despite the Swedish language and cultural affinity.
This timezone creates a one-hour difference from Sweden across the short water crossing. Swedes sailing to Γ land from Stockholm arrive in a different timezone. The same sea, one hour later.
autonomy, demilitarization, and Finnish time
The Γ land Islands have a unique political status: demilitarized and autonomous under a 1921 League of Nations ruling. They have their own parliament, issue their own stamps, and control their own internal affairs, but remain Finnish territory. The EET timezone is one of many small alignments with Helsinki rather than Stockholm.
At 60 degrees north, Mariehamn experiences dramatic daylight variation: midsummer brings nearly white nights, midwinter reduces daylight to under six hours. The maritime community here, historically one of the worldβs most significant per capita, lives by a clock oriented around weather and sea conditions more than civil schedules.
9am in Mariehamn is 7am in London during European winter, two hours ahead of GMT.
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Questions about time in Mariehamn
- What timezone is Mariehamn in?
- Mariehamn uses the IANA timezone
Europe/Mariehamn. The UTC offset is UTC+2 in winter (standard time) and UTC+3 during daylight saving time (summer). - Does Mariehamn observe daylight saving time?
- Yes. Mariehamn observes daylight saving time. In 2026, clocks spring forward one hour on Sunday, March 29 and fall back one hour on Sunday, October 25. During DST, the UTC offset shifts from UTC+2 to UTC+3.
- What is the current UTC offset for Mariehamn?
- Mariehamn is currently at UTC+3. It is currently observing daylight saving time.
- What is the time difference between Mariehamn and New York?
- Mariehamn is currently 7 hours ahead of New York.
- What is the time difference between Mariehamn and London?
- Mariehamn is currently 2 hours ahead of London.
- What is the time difference between Mariehamn and Los Angeles?
- Mariehamn is currently 10 hours ahead of Los Angeles.
- What is the time difference between Mariehamn and Tokyo?
- Mariehamn is currently 6 hours behind Tokyo. Tokyo does not observe daylight saving time, so this gap changes by 1 hour when Mariehamn transitions to/from DST.
- What is the IANA timezone name for Mariehamn?
- The IANA timezone database identifier for Mariehamn is
Europe/Mariehamn. Use this string in programming languages and APIs: JavaScript (`new Intl.DateTimeFormat('en-US', { timeZone: 'Europe/Mariehamn' })`), Python (`pytz.timezone('Europe/Mariehamn')`), or any IANA-compatible library.