Asian time zones:

IRDT – Iran Daylight Time

Current time in Tehran

Sunday, August 31, 2014 at 5:04:06 AM IRDT

Tehran will stay on IRDT until Midnight between Sunday, September 21, 2014 and Monday, September 22, 2014
when clocks are moved to Sunday, September 21, 2014 at 23:00:00IRST

Find local time and time zone for a location

We recommend looking up by location name, not time zone name.

Time zone offset: UTC + 4:30 hours

IRDT is 4 hours and 30 minutes ahead of Coordinated Universal Time (UTC)

Note that IRDT is a daylight saving time/summer time zone. It is generally only used during the summer in the places listed below, during the winter IRST is used instead

Time zone abbreviation: IRDT

Full name is Iran Daylight Time

Email time zone indicator: +0430

An email sent from someone in the 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 IRDT, as other time zones could have the same UTC offset).

For actual dates DST might be observed, look at the examples below
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Where and when is IRDT observed?

Areas using IRDT in the summer and IRST during the winter

Time zone maps are under development and will be available later

Example location in IRDT

Other time zones in Asia

Go directly through the links below, or see the Asia time zone list

Time zones in other regions

Related links