IRKST – Irkutsk Summer Time (Daylight Saving Time)
Irkutsk Summer Time Note:
Asia: IRKST is not observed in any location this year. Locations that used to be on IRKST for part or all of the year are now on IRKT instead.
Winter Time & DST
This time zone is a daylight saving/summer timezone, in the winter some places will switch to the corresponding standard timezone: IRKT (Irkutsk Time).
Email time zone indicator: +0900
An email sent from someone in the Irkutsk Summer Time (IRKST) time zone will have the time zone listed as "+0900" in the headers of the email. (However, "+0900" does not have to be in Irkutsk Summer Time, as other time zones could have the same UTC offset).
Where and when is IRKST observed?
Time zones by continent/region
- Atlantic Ocean
- Central America
- Indian Ocean
- North America
- Pacific Ocean
- South America
No locations currently on IRKST
- UTC Offset: UTC +9:00
Find current time and time zone by city
Related time zones
IRKT – Irkutsk Time (Standard Time)