IST – Irish Standard Time (Daylight Saving Time)
Also known as: IST – Irish Summer Time
No locations currently on IST. Would you like to see GMT?
Europe: IST is currently not observed because locations are on standard time and are observing GMT.
Please use the search field on the right to find the correct local time in any city.
Winter Time & DST
This time zone is a daylight saving/summer time zone, in the winter some places will switch to the corresponding standard time zone: GMT (Greenwich Mean Time).
Email Time Zone Indicator: +0100
An email sent from someone in the Irish Standard Time (IST) time zone will have the time zone listed as "+0100" in the headers of the email. (However, "+0100" does not have to be in Irish Standard Time, as other time zones could have the same UTC offset).
Where and When is IST Observed?
European countries using IST in the summer and GMT in the winter:
Other Time Zones in UTC +1
Some time zones exist that have the same offset as IST, but can be found under a different name:
Time zones by continent/region
- Central America
- Indian Ocean
- North America
- South America
No locations currently on IST
Find current time and time zone by city
Other time zones named IST
Ireland – Dublin (Summer)
Related time zones
GMT – Greenwich Mean Time (Standard Time)