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Basetime

UTC+11 — the time, and everywhere that is on it

It is 02:38 at UTC+11:00 as this page was built, and the clock below is live. 10 time zones sit here today, covering Magadan, Sakhalin, Srednekolymsk. That is 11 hours ahead of UTC.

UTC+11:00
02:38:20
Tuesday 28 July

Reading your clock…

There
You
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Time zones at UTC+11 today

Read from the IANA database at build time. A zone appears here because it is at this offset now, not because it always is.

Asia/MagadanAsia/SakhalinAsia/SrednekolymskPacific/BougainvillePacific/EfatePacific/GuadalcanalPacific/KosraePacific/NorfolkPacific/NoumeaPacific/Ponape

In January, 5 more zones are here as well (Macquarie, Hobart, Lord Howe, Melbourne…). Which is the whole argument against writing offsets down: the membership of this page changes twice a year.

An offset is not a time zone

This is the one thing worth taking away from a page like this. UTC+11:00 describes a clock at a single instant: it is 11 hours ahead of UTC, right now. It says nothing about what that clock will read in March, because it carries no rules. A time zone does. Asia/Magadan is a promise about the whole year, including the mornings when the clocks move.

That is why the list above is dated rather than fixed. Between January and July, 5 zones join or leave this offset without anything about them changing except the season. If you store +11:00 in a database and someone books a recurring meeting against it, half that series will be wrong after the next changeover, and it will be wrong quietly.

The practical reading of the band above: the top row is the day at UTC+11, the bottom row the same hours on your own clock, aligned by instant rather than by number. Tap any hour and it is read out as a sentence. The green block is a conventional nine-to-five, which is the part most people are really trying to line up.

Written as
AEDT · Australian Eastern Daylight Time

Several of these letter codes mean more than one offset elsewhere in the world. The numeric form on this page never does.

How to use this
  1. The clock is live and computed as arithmetic on UTC, so it is right regardless of what your own device thinks the rules are.
  2. The band puts your day under theirs, aligned by instant. Tap an hour to read the pair out.
  3. The zone list is generated at build time from the IANA database — the same source your operating system uses.

Worth knowing: Membership of an offset changes with the seasons. If you need a time to survive a daylight-saving change, use the IANA zone name rather than the number.

FAQ

What time is it at UTC+11?

The clock above is live and reads it directly, along with what that hour is on your own clock. It runs 11 hours ahead of UTC, so take the UTC time and add 11 hours.

Which countries are at UTC+11?

Places in Magadan, Sakhalin, Srednekolymsk, Bougainville. The full list of time zones is on this page, and it is read from the timezone database rather than typed out, so it corrects itself when a country changes its rules.

Is UTC+11 a time zone?

No, and the difference matters. An offset says how far a clock is from UTC at one instant. A time zone — America/New_York, Europe/Oslo — carries the rules as well, including when the clocks change and by how much. Two places can share an offset today and be an hour apart next month. Store the zone, never the offset.