Irkutsk Summer Time – IRKST Time Zone

Map showing the areas covered by the timezone — IRKST time zone is no longer in use.

Areas with same time currently UTC +9

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Irkutsk Summer Time (IRKST) was 9 hours ahead of Coordinated Universal Time (UTC). This time zone was in use during Daylight Saving Time in: Asia.

See full time zone map

Where and When is IRKST Observed?

This time zone is no longer in use, but some locations may observe the same UTC offset (local time) under a different name.

Other Time Zones in UTC +9

Some time zones exist that have the same offset as IRKST, but can be found under a different name: