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GMT or BST in the UK?
The UK is not on Greenwich Mean Time (GMT) all year. During Daylight Saving Time the correct time zone is British Summer Time (BST). more
The UK is not on Greenwich Mean Time (GMT) all year. During Daylight Saving Time the correct time zone is British Summer Time (BST). more
Greenwich Mean Time (GMT) is often interchanged or confused with Coordinated Universal Time (UTC). But GMT is a time zone and UTC is a time standard. more
Coordinated Universal Time (UTC) is the basis for civil time today. This 24-hour time standard is kept using highly precise atomic clocks combined with the Earth's rotation. more
A 'Time Zone' refers to any region where the same standard time is kept. Interactive Time Zone Map for current Time Zones worldwide. more
Which country first adopted time zones? Where and why were standard time zones first adopted and why were time zones created? more
Background and brief history of the United States’ 9 time zones. more
timeanddate.com provides information on Canada’s time zones. more
Australia has multiple time zones. Some of them are half-hour and quarter-hour time zones. Not all states and territories use Daylight Saving Time (DST). more
timeanddate.com provides an overview of New Zealand’s time zones and daylight saving time. more
Europe is divided into 4 main time zones that span from UTC +0 hours in western European countries to UTC +3 hours in Belarus and parts of Russia. more
Timeanddate.com gives a brief overview of the United Kingdom’s time zone and daylight saving time. more
The abbreviation for Coordinated Universal Time is UTC. Why is it not abbreviated as “CUT” or “TUC”? more
The International Date Line (IDL) is an imaginary line of longitude on the Earth’s surface located at about 180 degrees east (or west) of the Greenwich Meridian. more
While most time zones differ from Coordinated Universal Time (UTC) by a number of full hours, some time zones have 30-minute or 45-minute offsets. more
Technically, both the South Pole and the North Pole are in all time zones at the same time. more
You can help name the new official Time Zone on Mars by voting during the month of April. more
The term time zone can be used to describe several different things. more
Standard time is also known as winter time or normal time in some countries. more
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