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1 day ago · UTC is the basis for local times worldwide and the successor to Greenwich Mean Time. It is a fixed time zone that never observes Daylight Saving Time and has no offset from GMT.
- 0° (Prime Meridian)
- Greenwich Mean Time (GMT)
- “Zulu” Military Time
- A Standard, Not A Time Zone
- Atomic and Solar Time
- UT Started in 1884
- From GMT to UTC
- GMT Is Now A Time Zone
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UTC is the time standard commonly used across the world. The world's timing centers have agreed to keep their time scales closely synchronized - or coordinated - therefore the name Coordinated Universal Time. Understanding UTC offsets
Two components are used to determine UTC: 1. International Atomic Time (TAI): A time scale that combines the output of some 400 highly precise atomic clocksworldwide, and provides the exact speed for our clocks to tick. 2. Universal Time (UT1): Also known as astronomical time or solar time, it refers to the Earth's rotation. It is used to compare t...
Universal Time (UT) was created at the International Meridian Conference in 1884. This is the basis for the 24-hour time zone system we know today. At the time, Greenwich Mean Time (GMT) was chosen as the world’s time standard. The reference line or starting point, the Prime Meridian, was determined to be the transit circle at the Royal Observatory...
In 1960, the International Radio Consultative Committee formalized the concept of UTC, and it was put into practice the year after. The name Coordinated Universal Time was officially adopted in 1967. Why UTC – not CUT or TUC? UTC was adjusted several times until 1972, when leap secondswere introduced to keep UTC in line with the Earth's rotation, w...
Until 1972, Greenwich Mean Time (also known as Zulu time) was the same as Universal Time (UT). The difference between GMT and UTC Since then, GMT is no longer a time standard. Today, Greenwich Mean Time (GMT) is only the name of a time zone that is used by a few countries in Africa and Western Europe, including the UK during winter and all year in ...
UTC is the 24-hour time scale that synchronizes the world's clocks using atomic and solar time. Learn about its history, definition, offsets, and how it differs from GMT and other time zones.
UT1 is the principal form of Universal Time. However, there are also several other infrequently used time standards that are referred to as Universal Time, which agree within 0.03 seconds with UT1:
Exact time now, time zone, time difference, sunrise/sunset time and key facts for UTC.
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Find current time, weather, sun, moon, and much more for any city or country in the world. Compare local times and see the difference between universal time and your location.
Coordinated Universal Time ( UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communication, navigation, scientific research, and commerce.
2 days ago · UTC is the world time standard based on atomic clocks. Find out the current UTC time and how it differs from GMT and other time zones.
