Notes on Daylight Saving

Information about daylight saving time changes, dates, and time zone adjustments worldwide.

Notes on Daylight Saving

🎉 Automatic DST Handling

Our timezone converter now automatically handles all daylight saving time transitions using the IANA timezone database. No more manual updates needed!

The system uses your browser's built-in timezone data, which is automatically updated with your operating system.

Historical DST Information

The table below shows historical daylight saving time patterns by country.Note: This information is for reference only. Our timezone converter automatically handles current and future DST transitions based on official timezone rules.

ContinentCountryBeginning and ending days
AfricaEgyptStart: Last Friday in April
End: Last Thursday in September
NamibiaStart: First Sunday in September
End: First Sunday in April
Asia/Mid EastJapanNot observed
IraqStart: April 1
End: October 1
IsraelStart: April 1
End: The Saturday between Rosh Hashana and Yom Kippur
Lebanon, KirgizstanStart: Last Sunday in March
End: Last Sunday in October
MongoliaStopped in 2002
SyriaStart: April 1
End: October 1
IranStart: the first day of Farvardin
End: the first day of Mehr
AustralasiaAustralia - South Australia, Victoria, ACT, New South Wales, Lord Howe IslandStart: Last Sunday in October
End: Last Sunday in March
Australia - TasmaniaStart: First Sunday in October
End: Last Sunday in March
FijiStopped in 2000
New Zealand, ChathamStart: First Sunday in October
End: Third Sunday in March
TongaStart: First Sunday in November
End: Last Sunday in January
EuropeEuropean Union, UK, GreenlandStart: Last Sunday in March at 1 am UTC
End: Last Sunday in October at 1 am UTC
Russia/UkraineRussian/Ukraine - Most states of the former USSRStart: Last Sunday in March
End: Last Sunday in October
North AmericaUnited States, Canada, Mexico, St. Johns, Bahamas, Turks and CaicosStart: First Sunday in April
End: Last Sunday in October
CubaStart: April 1
End: Last Sunday in October
South AmericaBrazil (rules vary quite a bit from year to year). Also, equatorial Brazil does not observe DSTStart: First Sunday in November
End: Third Sunday in February
ChileStart: Second Saturday of October - at midnight
End: Second Saturday of March - at midnight
FalklandsStart: First Sunday on or after 8 September
End: First Sunday on or after 6 April
ParaguayStart: First Sunday in September
End: First Sunday in April

About Notes on Daylight Saving Conversions

Information about daylight saving time changes, dates, and time zone adjustments worldwide.