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.

Observes IRDT part of the year.
Areas with same time currently (UTC +4:30).
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.
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
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: