Home   Time Zones   Abbreviations   Iran Daylight Time – IRDT

Iran Daylight Time (IRDT)

Also known as: Iran Summer Time (IRST) and Iran Daylight Time (IDT)

Map showing the areas covered by the timezone
IRDT time zone is no longer in use.
  • Areas with same time currently UTC +4:30
©timeanddate.com

Iran Daylight Time (IRDT) was 4:30 hours ahead of Coordinated Universal Time (UTC). This time zone was in use during Daylight Saving Time in: Asia. Iran Daylight Time was 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?

This time zone is no longer in use, but some locations may observe the same UTC offset (local time) under a different name.

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: