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Daylight Saving Time–Second Half of 1973

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 observed DST during the second half of 1973.

Current country/territory names, rather than historic country names are displayed, so the list could contain countries that did not exist at the time.

Also, please see the page for the first half of 1973 or the overview over start and end times for 1973 sorted by country.

DateCountryLocal Time Change
Sep 29 Sat1:00 am → 12:00 am (Back)
Sep 29 Sat9:00 pm → 10:00 pm (Forward)
Sep 30 Sun12:00 am → 1:00 am (Forward)
Sep 30 Sun1:00 am → 12:00 am (Back)
Oct 1 Mon12:00 am → 11:00 pm (Back)
Oct 1 Mon2:00 am → 1:00 am (Back)
Oct 1 Mon3:00 am → 2:00 am (Back)
Oct 8 Mon
  • Cuba (All locations)
12:00 am → 11:00 pm (Back)
Oct 15 Mon12:00 am → 11:00 pm (Back)
Oct 21 Sun3:30 am → 2:30 am (Back)
Oct 28 Sun12:00 am → 12:30 am (Forward)
Oct 28 Sun2:00 am → 1:00 am (Back)
Oct 28 Sun
  • Australia (All locations which are observing DST)
2:00 am → 3:00 am (Forward)
Oct 28 Sun3:00 am → 2:00 am (Back)
Nov 4 Sun2:00 am → 1:00 am (Back)
Nov 25 Sun12:00 am → 1:00 am (Forward)
Dec 5 Wed12:00 am → 1:00 am (Forward)
Dec 16 Sun
  • Guam (All locations)
2:00 am → 3:00 am (Forward)
Dec 30 Sun3:30 am → 4:30 am (Forward)
Daylight Saving Time for other years
Yearly OverviewJanuary–JuneJuly–December
1971first half of 1971second half of 1971
1972first half of 1972second half of 1972
1973first half of 1973second half of 1973
1974first half of 1974second half of 1974
1975first half of 1975second half of 1975

Other years