HELP: zoneinfo
Old / inferior browser (unknown ) detected. You need a better browser to use some features of this site
Javascript is disabled or not supported
user timezone detected: America/Chicago +

help menuYour browser: unknown
2017 timezone information for: Asia/Tehran

timezone: Asia/Tehran, abbreviation: +0330 (daylight/summer: +0430)

country: Iran (IR) flag of Iran
default latitude: 35.66666 degrees (north), default longitude: 51.43333 degrees (east)

standard time offset from UTC: +3:30 (after UTC), DST time offset from UTC: +4:30 (after UTC)
DST adds 1 hour from the fourth Wednesday in March at 12:00 AM to the fourth Friday in September at 12:00 AM and is currently active.

transitions in 2017:
std: (+0330) +3:30 (after UTC) @ the beginning of 2017
dst: (+0430) +4:30 (after UTC) @ Wed, Mar 22, 2017 0:00
std: (+0330) +3:30 (after UTC) @ Fri, Sep 22, 2017 0:00

adjustments during 2017:
+1:00 on the fourth Wednesday in March at 12:00 AM
-1:00 on the fourth Friday in September at 12:00 AM

A + after the timezone name means that it is the same timezone the server assumes you're using.

To exit help, close this tab or window.