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Clock Changes in Tehran, Iran 2021

Next change:
Sep
22
1 hour Back

Sep 22, 2022, 12:00 midnight

Start DST: Monday, March 22, 2021 — 1 hour forward
End DST: Tuesday, September 21, 2021 — 1 hour backward
Location of TehranLocation

Mar 22

Forward 1 hour

Mar 22, 2021 - Daylight Saving Time Started

When local standard time was about to reach
Monday, March 22, 2021, 12:00:00 midnight clocks were turned forward 1 hour to
Monday, March 22, 2021, 1:00:00 am local daylight time instead.

Sunrise and sunset were about 1 hour later on Mar 22, 2021 than the day before. There was more light in the evening.

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

Sep 22

Back 1 hour

Sep 22, 2021 - Daylight Saving Time Ended

When local daylight time was about to reach
Wednesday, September 22, 2021, 12:00:00 midnight clocks were turned backward 1 hour to
Tuesday, September 21, 2021, 11:00:00 pm local standard time instead.

Sunrise and sunset were about 1 hour earlier on Sep 22, 2021 than the day before. There was more light in the morning.

Also called Fall Back and Winter Time.

Other years: 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022

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)
2020Saturday, March 21, 12:00 midnightMonday, September 21, 12:00 midnight
2021Monday, March 22, 12:00 midnightWednesday, September 22, 12:00 midnight
2022Tuesday, March 22, 12:00 midnightThursday, September 22, 12:00 midnight
2023 — 2029DST not observed
All times are local for Tehran. Current year is highlighted.

Detailed time zone and clock changes in Tehran