Time zones in Iran

During the winter months, Iran is on Iran Standard Time (IRST), which is 3 hours and 30 minutes later than GMT. In the summer months, when Daylight Savings Time is in effect, Iran Daylight Time (IRDT) is used, which is 4 hours and 30 minutes later than GMT.

Cities in Iran

For more detailed information about specific locations in Iran, choose a city from the list below.