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Clock Changes in Tehran, Iran 2017

Next change:
Sep
22
1 hour Back

Sep 22, 2022, 12:00 midnight

Start DST: Wednesday, March 22, 2017 — 1 hour forward
End DST: Thursday, September 21, 2017 — 1 hour backward
Location of TehranLocation

Mar 22

Forward 1 hour

Mar 22, 2017 - Daylight Saving Time Started

When local standard time was about to reach
Wednesday, March 22, 2017, 12:00:00 midnight clocks were turned forward 1 hour to
Wednesday, March 22, 2017, 1:00:00 am local daylight time instead.

Sunrise and sunset were about 1 hour later on Mar 22, 2017 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, 2017 - Daylight Saving Time Ended

When local daylight time was about to reach
Friday, September 22, 2017, 12:00:00 midnight clocks were turned backward 1 hour to
Thursday, September 21, 2017, 11:00:00 pm local standard time instead.

Sunrise and sunset were about 1 hour earlier on Sep 22, 2017 than the day before. There was more light in the morning.

Also called Fall Back and Winter Time.

Other years: 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020

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)
2010Monday, March 22, 12:00 midnightWednesday, September 22, 12:00 midnight
2011Tuesday, March 22, 12:00 midnightThursday, September 22, 12:00 midnight
2012Wednesday, March 21, 12:00 midnightFriday, September 21, 12:00 midnight
2013Friday, March 22, 12:00 midnightSunday, September 22, 12:00 midnight
2014Saturday, March 22, 12:00 midnightMonday, September 22, 12:00 midnight
2015Sunday, March 22, 12:00 midnightTuesday, September 22, 12:00 midnight
2016Monday, March 21, 12:00 midnightWednesday, September 21, 12:00 midnight
2017Wednesday, March 22, 12:00 midnightFriday, September 22, 12:00 midnight
2018Thursday, March 22, 12:00 midnightSaturday, September 22, 12:00 midnight
2019Friday, March 22, 12:00 midnightSunday, September 22, 12:00 midnight
All times are local for Tehran.

Detailed time zone and clock changes in Tehran