Longyearbyen, Svalbard and Jan Mayen · UTC+2
Convert time from Longyearbyen
Longyearbyen is in the Arctic/Longyearbyen timezone (CET/UTC+1 in winter, CEST/UTC+2 in summer), using Central European Time despite its extreme Arctic position at 78 degrees north.
Longyearbyen sits at 78 degrees north latitude, closer to the North Pole than to Oslo. For roughly four months each year, the sun does not rise at all. Then, from late April through late August, it never sets. The clock reads midnight and the sun blazes at full height above the mountains.
This makes Longyearbyen’s relationship with civil time almost philosophical. The town follows Central European Time, the same timezone as Oslo and Stockholm, observing daylight saving each spring and autumn. Those transitions are particularly abstract here: shifting clocks by one hour when the sun hasn’t moved in weeks feels more like ritual than function.
coal mines, seed vault, and mainland time
The coal mining settlement was founded by the American entrepreneur John Munro Longyear in 1906, and its original timekeeping was practical: synchronize with the mainland supply ships and that was enough. Today it hosts a Norwegian university campus, a global seed vault, and international research stations, all coordinating across the same clocks their colleagues use in central Europe.
9am in Longyearbyen is 8am in London. The researchers here know that conversion well, filing reports southward into a world that operates on daylight the Svalbard residents experience only seasonally.
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Questions about time in Longyearbyen
- What timezone is Longyearbyen in?
- Longyearbyen is in Central European Time (CET), using the IANA timezone
Arctic/Longyearbyen. The standard UTC offset is UTC+1 in winter. During daylight saving time (summer), it becomes Central European Summer Time (CEST) at UTC+2. - Does Longyearbyen observe daylight saving time?
- Yes. Longyearbyen 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+1 to UTC+2.
- What is the current UTC offset for Longyearbyen?
- Longyearbyen is currently at UTC+2. It is currently observing daylight saving time.
- What is the time difference between Longyearbyen and New York?
- Longyearbyen is currently 6 hours ahead of New York.
- What is the time difference between Longyearbyen and London?
- Longyearbyen is currently 1 hour ahead of London. Both cities observe daylight saving time on the same schedule (last Sunday of March and October), so the gap stays consistent year-round.
- What is the time difference between Longyearbyen and Los Angeles?
- Longyearbyen is currently 9 hours ahead of Los Angeles.
- What is the time difference between Longyearbyen and Tokyo?
- Longyearbyen is currently 7 hours behind Tokyo. Tokyo does not observe daylight saving time, so this gap changes by 1 hour when Longyearbyen transitions to/from DST.
- What is the IANA timezone name for Longyearbyen?
- The IANA timezone database identifier for Longyearbyen is
Arctic/Longyearbyen. Use this string in programming languages and APIs: JavaScript (`new Intl.DateTimeFormat('en-US', { timeZone: 'Arctic/Longyearbyen' })`), Python (`pytz.timezone('Arctic/Longyearbyen')`), or any IANA-compatible library. - Is CET the same as CEST?
- No. CET (Central European Time, UTC+1) is the standard winter time used by Longyearbyen and most of Central Europe. CEST (Central European Summer Time, UTC+2) is the same zone during daylight saving time. The abbreviation changes, but it is the same IANA timezone — the offset shifts by one hour.