Irish Standard Time Zone - IST

Irish Standard Time is one hour ahead of the Coordinated Universal Time standard, written as an offset of UTC + 1:00. That means to find the standard time in the zone you must add one hour to Coordinated Universal Time.

Territories observing the time zone are primarily in Europe. It runs through the country of Ireland. Those in the time zone also refer to it as Irish Summer Time or IST.

During fall to winter months Greenwich Mean Team or GMT is used, and then during Daylight Saving (spring to summer months) Irish Standard Time or IST is used.

Locations in Irish Standard Time Zone

The following areas are included in the time zone:

• Europe

  • Ireland