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    Daylight Saving Time (DST) Rules Worldwide

    Daylight Saving Time (DST) is the practice of advancing clocks during warmer months so that darkness falls later each day according to the clock. While it was widely adopted in the 20th century, DST rules vary significantly across the globe today. Keeping track of when clocks change is essential for scheduling international meetings, travel, and coordinating remote teams.

    North America

    In the United States and Canada, Daylight Saving Time begins on the second Sunday in March and ends on the first Sunday in November. Clocks are typically adjusted at 2:00 AM local time.

    Exceptions:

    • Hawaii and most of Arizona do not observe DST.
    • Saskatchewan (Canada) remains on Central Standard Time year-round.
    • Parts of British Columbia, Nunavut, Ontario, and Quebec also opt out of DST.

    Europe

    The European Union and several non-EU countries in Europe observe "Summer Time". It begins on the last Sunday in March and ends on the last Sunday in October.

    Unlike North America, Europe changes its clocks simultaneously across all time zones at 01:00 UTC.

    Exceptions:

    • Russia, Belarus, and Iceland do not observe DST.
    • Turkey stopped observing DST in 2016 and remains on Summer Time year-round.

    Australia & New Zealand

    Because they are in the Southern Hemisphere, their summer months are opposite to the Northern Hemisphere.

    • Australia: DST begins on the first Sunday in October and ends on the first Sunday in April. However, it is only observed in New South Wales, Victoria, South Australia, Tasmania, and the ACT. Queensland, Western Australia, and the Northern Territory do not change their clocks.
    • New Zealand: DST begins on the last Sunday in September and ends on the first Sunday in April.

    Regions That Do Not Observe DST

    The majority of countries globally do not observe Daylight Saving Time, especially those near the equator where daylight hours barely change throughout the year.

    • Asia: Most Asian countries, including China, Japan, India, and South Korea, do not use DST.
    • Africa: Egypt recently reintroduced DST, but the vast majority of African nations do not observe it.
    • South America: Brazil, Argentina, and Colombia do not observe DST, though Chile and Paraguay do.

    Never get caught out by clock changes again

    Our tools automatically handle all DST transitions for you, ensuring 100% accurate scheduling.