Asremrooz - Iran sets clocks back on Sept.21

Under the legislation, the country's official time is changed once at the start of the Iranian calendar year (beginning March 21) and once at the start of the second half of the Iranian year (beginning September 21).

TEHRAN (Asremrooz): Majliss of Iran passed a bill in 2007 mandating a return to practice. According this bill the official time is changed twice in year. It is also approved by the country’s Guardian Council.
Iran will return the clock back by e hour at 12:00 local time on September 21th.
Under the legislation, the country's official time is changed once at the start of the Iranian calendar year (beginning March 21) and once at the start of the second half of the Iranian year (beginning September 21).