IST Europe to PT Converter
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1:00 pm13:00 IST (UTC+1), Oct 12, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 12, 2026
IST is 8 hours ahead of PDT.
How the time difference changes
For most of the year, IST Europe is 8 hours ahead of PT. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, GMT Europe is 7 hours ahead of PT. From Nov 1, 2026 to Mar 14, 2027, GMT Europe is 8 hours ahead of PT.
For most of the year, working hours of 9:00 am to 5:00 pm in IST Europe correspond to 1:00 am to 9:00 am in PT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT Europe correspond to 1:00 am to 9:00 am in PT or working hours of 9:00 am to 5:00 pm in GMT Europe correspond to 2:00 am to 10:00 am in PT.For most of the year, working hours of 09:00 to 17:00 in IST Europe correspond to 01:00 to 09:00 in PT. At other times of the year, working hours of 09:00 to 17:00 in GMT Europe correspond to 01:00 to 09:00 in PT or working hours of 09:00 to 17:00 in GMT Europe correspond to 02:00 to 10:00 in PT.
Compare IST time with PT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Irish Standard Time is 8 hours ahead of Pacific Daylight Time.
1:00 pm13:00 in IST is 5:00 am05:00 in PDT
IST to PDT call time
Best time for a conference call or a meeting is between 4:30pm-5:30pm16:30-17:30 in IST which corresponds to 8:30am-9:30am08:30-09:30 in PDT. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
1:00 pm13:00 Irish Standard Time (IST). Offset UTC +1:00 hour
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
1:00 pm13:00 IST / 5:00 am05:00 PDT
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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.
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.
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
Pacific Time
Pacific Time (PT) is a general term used to describe the areas that observe either the Pacific Standard Time (PST) or Pacific Daylight Time (PDT) in the United States and Canada. PT also called Pacific Coast Time. PT is not static but switches between PDT and PST.
Territories observing the Pacific Time Zone are primarily in North America. It runs through the western part of Canada, the United States and the Northwestern part of Mexico.
Countries using this time zone: Canada, Mexico, United States.
Principal Cities: The largest city in the PT time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.
French: HNP - Heure Normale du Pacifique
Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste
PT representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the west of the zero meridian.
- Uniform - Military abbreviation for PT
- U - short form of 'Uniform'
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
