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Daylight Saving Time–Second Half of 2021

Daylight Saving Time (DST) is often incorrectly referred to as “daylight savings time”. In some countries, it is also called “summer time”. When DST is not observed, it is called standard time, normal time or winter time.

This list displays a brief (but not complete) overview showing the countries and territories which plan to observe DST during the second half of 2021. Note that this list might not be final - countries, territories, and states sometimes make adjustments which are announced just days or weeks ahead of the time change.

Also, please see the page for the first half of 2021 or the overview over start and end times for 2021 sorted by country.

DateCountryLocal Time Change
Sep 4 Sat10:00 pm → 11:00 pm (Forward)
Sep 5 Sun
  • Chile (Most locations observing DST)
12:00 am → 1:00 am (Forward)
Sep 22 Wed
  • Iran (All locations)
12:00 am → 11:00 pm (Back)
Sep 26 Sun2:00 am → 3:00 am (Forward)
Sep 26 Sun2:45 am → 3:45 am (Forward)
Sep 26 Sun3:00 am → 4:00 am (Forward)
Oct 3 Sun12:00 am → 1:00 am (Forward)
Oct 3 Sun2:00 am → 2:30 am (Forward)
Oct 3 Sun2:00 am → 3:00 am (Forward)
Oct 29 Fri12:00 am → 11:00 pm (Back)
Oct 29 Fri1:00 am → 12:00 am (Back)
Oct 30 Sat12:00 am → 11:00 pm (Back)
Oct 30 Sat11:00 pm → 10:00 pm (Back)
Oct 31 Sun12:00 am → 11:00 pm (Back)
Oct 31 Sun1:00 am → 12:00 am (Back)
Oct 31 Sun2:00 am → 1:00 am (Back)
Oct 31 Sun3:00 am → 1:00 am (Back)
Oct 31 Sun3:00 am → 2:00 am (Back)
Oct 31 Sun4:00 am → 3:00 am (Back)
Nov 7 Sun
  • Cuba (All locations)
1:00 am → 12:00 am (Back)
Nov 7 Sun2:00 am → 1:00 am (Back)
Nov 14 Sun
  • Fiji (All locations)
2:00 am → 3:00 am (Forward)
Daylight Saving Time for other years
Yearly OverviewJanuary–JuneJuly–December
2019first half of 2019second half of 2019
2020first half of 2020second half of 2020
2021first half of 2021second half of 2021
2022first half of 2022second half of 2022
2023first half of 2023second half of 2023

Other years