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GMT/IST
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IST is not used on this date.

This converter uses GMT (UTC+0), as in Dublin.

WET
UTC+0
same time
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Quick answers

Selected conversion

12:00 pm12:00 GMT (UTC+0), Oct 29, 2026 = 12:00 pm12:00 WET (UTC+0), Oct 29, 2026

GMT and WET have the same local time.

IST and WET examples

These examples always use IST (UTC+1) and WET (UTC+0). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

IST is 1 hour ahead of WET.

How the time difference changes

For most of the year, IST Europe and WEST have the same time. From Oct 25, 2026 to Mar 28, 2027, GMT Europe and WET have the same time.

For most of the year, working hours of 9:00 am to 6:00 pm in IST Europe correspond to 9:00 am to 6:00 pm in WEST. 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 WET.For most of the year, working hours of 09:00 to 18:00 in IST Europe correspond to 09:00 to 18:00 in WEST. 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 WET.

Compare IST time with WET time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Greenwich Mean Time and Western European Time have the same local time.
12:00 pm12:00 in GMT is 12:00 pm12:00 in WET

GMT to WET call time
Best time for a conference call or a meeting is between 9am-6pm09:00-18:00 in GMT which corresponds to 9am-6pm09:00-18:00 in WET

12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
12:00 pm12:00 Western European Time (WET). Offset UTC 0:00 hours

12:00 pm12:00 GMT / 12:00 pm12:00 WET

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.

Hourly time comparison
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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.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

Current time in Ireland: Ireland time now

Map of the areas on Irish Standard Time (IST)
IST part of the year

Today the shaded areas are on UTC+0 (GMT).

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for IST
  • A - short form of 'Alpha'
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Eire
  • Europe/Dublin
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2
Time zones with the GMT +1 offset:
  • 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

Western European Time

Offset: WET is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Faroe Islands, Portugal, Spain

Principal Cities: The largest city in the WET time zone is Lisbon in Portugal, with about 517,802 people. Other major cities in this time zone include Las Palmas de Gran Canaria, Porto, Santa Cruz de Tenerife, Braga.

German: WEZ - Westeuropäische Zeit

Map of the areas on Western European Time (WET)
WET part of the year

Today all shaded areas are on WET.

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Western European Summer Time (WEST).

123456789101112Start: Western European Time (WET) started on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, October 25, 2026, 1:00 am01:00. Standard time starts annually on the last Sunday of October.

123456789101112End: Western European Time (WET) ends on Sunday, March 28, 2027 at 1:00 am01:00 local time and clocks are set one hour forward to Sunday, March 28, 2027, 2:00 am02:00 local daylight time instead. Standard time ends annually on the last Sunday of March.

See Portugal daylight saving time and upcoming clock changes worldwide.

WET representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for WET
  • Z - short form of 'Zulu'
IANA/Olson: Reflects WET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Atlantic/Canary
  • Atlantic/Faeroe
  • Atlantic/Faroe
  • Atlantic/Madeira
  • Europe/Lisbon
  • Portugal
  • WET
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone