IRDT is currently not observed because DST is not applied. See Iran Standard Time instead.
IRDT will be observed after Saturday 21 March 2020, 00:00
IRDT (Iran Daylight Time) is one of the well-known names of UTC+4:30 time zone which is 4:30h. ahead of UTC (Coordinated Universal Time).The time offset from UTC can be written as +04:30.
It's used as a DST (summer daylight saving time).During the winter, IRST - Iran Standard Time(UTC+3:30) is in use.
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