| DST per country src |
USA - Eastern Time (ET) |
DST Begins Second Sunday in March at 02:00 UTC (called Eastern Daylight Time (EDT) UTC-04:00) DST Ends First Sunday in November at 02:00 UTC (called Eastern Standard Time (EST) UTC-05:00) |
European Countries (GR / CY / CZ / NL / LU / MT / NO / PL / PT / RO / RS / SK / SI / SP / CH / SE / UA / UK etc.) |
DST Begins Last Sunday of March at 01:00 UTC (aka in UK called British Summer Time (BST) In Ireland, called Irish Standard Time (IST)) DST Ends Sunday of October at 01:00 UTC Central European Summer Time (CEST) is 2 hours ahead of UTC, european countries using CEST in the summer and CET in the winter. Also known as CEDT – Central European Daylight Time, ECST – European Central Summer Time Eastern European Summer Time (EEST) is 3 hours ahead of Coordinated Universal Time (UTC). This time zone is a Daylight Saving Time zone and is used in: Europe, Asia. |
African Countries (except Morocco / Western Sahara) - Does not observe DST |
Asian Countries (except Iran / Israel / Jordan / Lebanon / Syria) - Does not observe DST India Standard Time (IST) is always UTC+05:30 |
Oceanian Countries (except Australia / Fiji / New Zealand / Samoa) - Does not observe DST |
Australia |
DST Begins First Sunday of October at 02:00 UTC (aka AEDT (Eastern Daylight Time)) UTC +11 DST Ends First Sunday of April at 02:00 UTC (aka ACDT (Central Daylight Time)) UTC +10.5 |
All of the below is 1 hour ahead of UTC src |
A – Alpha Time Zone WAT – West Africa Time WEST – Western European Summer Time WST – Western Sahara Summer Time |
No listed here ? try timeanddate
USA.Department of Labor - Fair Labor Standards Act Hours Worked Advisor
reddit - Working a night shift when time changes
Online Tools
https://www.worldtimebuddy.com/
https://timee.io/
http://www.onlineconversion.com/unix_time.htm
https://time.is/
https://www.calculator.net/date-calculator.html
(2023) Timezones Calculator App
(2024) https://time.fyi/timezones
#UTC #DST #EST #EDT #BST #IST #CEST #CET #CEDT #ECST #EEST #WAT #WEST #WST