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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

Winter Time & DST

This time zone is a daylight saving/summer time zone, in the winter some places will switch to the corresponding standard time zone: IRST (Iran Standard Time).

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: