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Clock Changes in Tehran, Iran 1980

Next change:
Sep
22
1 hour Back

Sep 22, 2021, 12:00 midnight

Start DST: Friday, March 21, 1980 — 1 hour forward
End DST: Monday, September 22, 1980 — 1 hour backward
Location of TehranLocation

Mar 21

Forward 1 hour

Mar 21, 1980 - Daylight Saving Time Started

When local standard time was about to reach
Friday, March 21, 1980, 12:00:00 midnight clocks were turned forward 1 hour to
Friday, March 21, 1980, 1:00:00 am local daylight time instead.

Sunrise and sunset were about 1 hour later on Mar 21, 1980 than the day before. There was more light in the evening.

Also called Spring Forward, Summer Time, and Daylight Savings Time.

Sep 23

Back 1 hour

Sep 23, 1980 - Daylight Saving Time Ended

When local daylight time was about to reach
Tuesday, September 23, 1980, 12:00:00 midnight clocks were turned backward 1 hour to
Monday, September 22, 1980, 11:00:00 pm local standard time instead.

Sunrise and sunset were about 1 hour earlier on Sep 23, 1980 than the day before. There was more light in the morning.

Also called Fall Back and Winter Time.

Other years: 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984

Daylight Saving Time in Other Years

DST changes do not necessarily occur on the same date every year.

YearDST Start (Clock Forward)DST End (Clock Backward)
1980Friday, March 21, 12:00 midnightTuesday, September 23, 12:00 midnight
1981 — 1989DST not observed
All times are local for Tehran.

Detailed time zone and clock changes in Tehran