IST Europe to Hafnarfjörður Time Converter
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Quick answers
Selected conversion
1:00 pm13:00 IST (UTC+1), Oct 22, 2026 = 12:00 pm12:00 GMT (UTC+0), Oct 22, 2026
IST is 1 hour ahead of Hafnarfjörður.
How the time difference changes
For most of the year, IST Europe is 1 hour ahead of Hafnarfjörður. From Oct 25, 2026 to Mar 28, 2027, GMT Europe and Hafnarfjörður have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in IST Europe correspond to 8:00 am to 5:00 pm in Hafnarfjörður. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT Europe correspond to 9:00 am to 6:00 pm in Hafnarfjörður.For most of the year, working hours of 09:00 to 18:00 in IST Europe correspond to 08:00 to 17:00 in Hafnarfjörður. At other times of the year, working hours of 09:00 to 18:00 in GMT Europe correspond to 09:00 to 18:00 in Hafnarfjörður.
Compare IST time with Hafnarfjörður time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Irish Standard Time is 1 hour ahead of GMT (Greenwich Mean Time).
1:00 pm13:00 in IST is 12:00 pm12:00 in Hafnarfjörður, Iceland
IST to Hafnarfjörður call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in IST which corresponds to 9am-5pm09:00-17:00 in Hafnarfjörður
1:00 pm13:00 Irish Standard Time (IST). Offset UTC +1:00 hour
12:00 pm12:00 GMT (Greenwich Mean Time) (Hafnarfjörður, Iceland). Offset UTC 0:00 hours
1:00 pm13:00 IST / 12:00 pm12:00 Hafnarfjörður, Iceland
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
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Irish Standard Time
Offset: IST is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Ireland
Principal Cities: The largest city in the IST time zone is Dublin in Ireland, with about 1.024 million people. Other major cities in this time zone include Cork, Limerick, Galway, Waterford.
Current time in Ireland: Ireland time now
Today all shaded areas are on IST.
Daylight Saving: Irish Standard Time (IST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).
Start: Irish Standard Time (IST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.
End: Irish Standard Time (IST) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
See Ireland daylight saving time and upcoming clock changes worldwide.
IST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for IST
- A - short form of 'Alpha'
- Eire
- Europe/Dublin
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time