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IRDT – Iran Daylight Time (Daylight Saving Time)

Time Zone names, codes and abbreviations for Standard Time and Daylight Saving Time (DST) around the world.

Also known as: IRST – Iran Summer Time, IDT – Iran Daylight Time

Time zone map of IRDT
Currently observing IRDT.
Areas with same time currently (UTC +4:30).
Currently observing IRDT – Iran Daylight Time.
Currently has same time zone offset as IRDT (UTC +4:30) but different time zone name.

Iran Daylight Time (IRDT) is 4:30 hours ahead of Coordinated Universal Time (UTC). This time zone is a Daylight Saving Time time zone and is used in: Asia. Iran Daylight Time is a half-hour time zone. Its local time differs by 30 minutes instead of the normal whole hour.

See full time zone map

Where and When is IRDT Observed?


Asian countries using IRDT in the summer and IRST in the winter:

Other Time Zones in UTC +4:30

Some time zones exist that have the same offset as IRDT, but can be found under a different name: