European time zones:

IST – Irish Summer Time

Time zone offset: UTC + 1 hour

Note that IST is a daylight saving time/summer time zone. It is generally only used during the summer in the places listed below, during the winter GMT is used instead

Time zone abbreviation: IST

Email time zone indicator: +0100

An email sent from someone in the IST time zone will have the time zone listed as "+0100" in the headers of the email. (However, "+0100" does not have to be in IST, as other time zones could have the same UTC offset).

Where and when is IST observed?

IST is used during summer only in

• Ireland

Example location in IST

• Dublin - during summer

Other time zones in Europe

• GMT - Greenwich Mean Time
• BST - British Summer Time
• WET - Western European Time
• WEST - Western European Summer Time
• CET - Central European Time
• CEST - Central European Summer Time
• EET - Eastern European Time
• EEST - Eastern European Summer Time
• MSK - Moscow Standard Time
• MSD - Moscow Daylight Time

Time zones in other regions

• North America
• Australia
• Military

Related links

• Time zone abbreviations world-wide
• The World Clock - Time Zones - current time around the world
• The World Clock - Time Zone Converter - Convert between time zones
• World Clock - Europe - current time in Europe