Time Zone Notice
IST is a Daylight Saving Time zone and is not currently in effect. The region is now on Standard Time (GMT).
Please see: Current Time in GMT.
Time in IST (Irish Standard Time)
Synchronizing with server time...
15:46:13
Thursday, 22 January 2026
About IST
Uniquely, Irish Standard Time (IST) is used during the summer months in Ireland, making it a daylight saving time. During winter, Ireland uses Greenwich Mean Time (GMT), which is UTC+00:00. So IST is effectively Ireland's summer time.
UTC Offset: +01:00
Current time based on: Eire
Countries in the IST Time Zone
Largest Cities in the IST Time Zone
IANA Time Zones in IST
- Eire (UTC +00:00)
- Europe/Dublin (UTC +00:00)