UTC+03:30 is an identifier for a time offset from UTC of +03:30. In ISO 8601 the associated time would be written as . This time is used only in Iran, so it is also called Iran Standard Time.Time Changes in Tehran over the years. TimeAndDate.com. Retrieved 5 April 2021.
As standard time (year-round) Asia Principal cities: Tehran, Mashhad, Isfahan, Karaj, Shiraz, Tabriz, Qom, Ahvaz Iran – Iran Standard Time (IRST)
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