UTC – Coordinated Universal Time
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
Articles About Time Zone (19)
UTC & GMT – Same Difference?
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
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
Time Zones in Indiana
In Indiana, USA, there are are two time zones: Central Time and Eastern Time. All counties set their clocks one hour to and from Daylight Saving Time (DST) twice a year. Indiana time zone map with local time in each county. more
What Is Standard Time?
Standard time is also known as winter time or normal time in some countries. more
International Date Line (IDL)
The International Date Line (IDL) is an imaginary line on Earth's surface located at about 180 degrees east (or west) of the Greenwich Meridian. more
What Is a Time Zone?
A time zone refers to any region where the same standard time is kept. Interactive Time Zone Map for current time zones worldwide. more
No DST in Most of Arizona
Most of the US state of Arizona does not use Daylight Saving Time (DST). The exception is the Navajo Nation. more
Time Zones and DST in Europe
When does Daylight Saving Time start and end in Europe? How many time zones are there? more
What Is Longitude and Latitude?
Cartographers and geographers divide the Earth into longitudes and latitudes in order to locate points on the globe. more
How Many Time Zones Are There in Australia?
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
Half Hour and 45-Minute Time Zones
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
Why Do We Have Time Zones?
The expansion of transport and communication during the 19th century created a need for a unified time-keeping system, and time zones were introduced. more
UK Time Zone History
The United Kingdom started using Greenwich Mean Time (GMT) as its standard time in 1880. It remained the base of civil time in the world until 1972. more
What Is Universal Time (UT)?
Universal Time is a solar time standard used in astronomy and to define time on Earth. How is it measured? What's the difference between UT, UT0, UT1, UT2, and UTC? more
Why UTC – not CUT?
The abbreviation for Coordinated Universal Time is UTC. Why is it not abbreviated as “CUT” or “TUC”? more
Canada’s Time Zones
timeanddate.com provides information on Canada’s time zones. more
What is a Time Zone?
The term time zone can be used to describe several different things. more
39 New Years in 2019
Toast the New Year 39 times with our new year countdown. 26 hours after the first bottle pops on Kiritimati in the Pacific, Baker Island greets the New Year. more
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