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Daylight Saving Time–First Half of 2003

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 first half of 2003.

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 second half of 2003 or the overview over start and end times for 2003 sorted by country.

DateCountryLocal Time Change
Feb 16 Sun
  • Brazil (All locations which are observing DST)
12:00 am → 11:00 pm (Back)
Mar 8 Sat10:00 pm → 9:00 pm (Back)
Mar 9 Sun12:00 am → 11:00 pm (Back)
Mar 16 Sun3:00 am → 2:00 am (Back)
Mar 16 Sun3:45 am → 2:45 am (Back)
Mar 22 Sat
  • Iran (All locations)
12:00 am → 1:00 am (Forward)
Mar 28 Fri12:00 am → 1:00 am (Forward)
Mar 28 Fri1:00 am → 2:00 am (Forward)
Mar 29 Sat2:00 am → 3:00 am (Forward)
Mar 29 Sat10:00 pm → 11:00 pm (Forward)
Mar 30 Sun12:00 am → 1:00 am (Forward)
Mar 30 Sun1:00 am → 2:00 am (Forward)
Mar 30 Sun2:00 am → 1:30 am (Back)
Mar 30 Sun2:00 am → 3:00 am (Forward)
Mar 30 Sun2:30 am → 3:30 am (Forward)
Mar 30 Sun3:00 am → 2:00 am (Back)
Mar 30 Sun3:00 am → 4:00 am (Forward)
Mar 30 Sun4:00 am → 5:00 am (Forward)
Apr 1 Tue12:00 am → 1:00 am (Forward)
Apr 1 Tue
  • Iraq (All locations)
3:00 am → 4:00 am (Forward)
Apr 6 Sun12:00 am → 11:00 pm (Back)
Apr 6 Sun
  • Cuba (All locations)
12:00 am → 1:00 am (Forward)
Apr 6 Sun
  • Canada (Some locations observing DST)
12:01 am → 1:01 am (Forward)
Apr 6 Sun2:00 am → 1:00 am (Back)
Apr 6 Sun2:00 am → 3:00 am (Forward)
Apr 18 Fri12:00 am → 1:00 am (Forward)
Apr 20 Sun2:00 am → 1:00 am (Back)
Apr 25 Fri12:00 am → 1:00 am (Forward)

Daylight Saving Time for other years

Yearly OverviewJanuary–JuneJuly–December
2001first half of 2001second half of 2001
2002first half of 2002second half of 2002
2003first half of 2003second half of 2003
2004first half of 2004second half of 2004
2005first half of 2005second half of 2005

Other years

Daylight Saving Time Changes:

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