IRDT – Iran Daylight Time (Daylight Saving Time)

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

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

Please use the search field on the right to find the correct local time in any city.

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. 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).

Email Time Zone Indicator: +0430

An email sent from someone in the Iran Daylight Time (IRDT) time zone will have the time zone listed as "+0430" in the headers of the email. (However, "+0430" does not have to be in Iran Daylight Time, as other time zones could have the same UTC offset).

Where and When is IRDT Observed?

Asia

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

Iran

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:

AFT – Afghanistan Time

No locations currently on IRDT

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