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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

No locations currently on IRDT. Would you like to see IRST?

Asia: IRDT is currently not observed because locations are on standard time and are observing IRST.

Time zone map of IRDT
No locations currently on IRDT.
Observes IRDT part of the year.
Areas with same time currently (UTC +4:30).
No locations are currently on IRDT – Iran Daylight Time.
Observes IRDT – Iran Daylight Time part of the year, but not currently.
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?

Asia

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: