GMT+03:30 is an identifier for a time offset from UTC of +03:30. In ISO 8601 the associated time would be written as 2025-10-20T09:56:25+03:30. This time is used only in Iran, so it is also called Iran Standard Time.

Principal cities: Tehran, Kerman, Isfahan, Mashhad, Shiraz, Tabriz, Qom, Ahvaz