What does utc time mean

This is when the idea of a hour time zone -- a concept we currently use -- came into fruition and became adopted widely. However, it wasn't until , that the International Radio Consultative Committee came up with the concept of Coordinated Universal Time.

Just a year later, in , it was officially adopted as the primary timekeeping standard. Today, Greenwich Mean Time is not considered a standard anymore yet it is the label of one of the 24 total time zones on Earth, used by countries in Africa, Western Europe and the UK during the winter season.

This list provides the UTC time offsets from the western to eastern-most time zones. You'll be able to see the time difference -- in hours and minutes -- between the different territories and Coordinated Universal Time UTC. Current Time In. What Is UTC? Wake Island U. To obtain your local time here in the United States, you need to subtract a certain number of hours from UTC depending on how many time zones you are away from Greenwich England.

The table below shows the standard difference from UTC time to local time. The switch to daylight saving time does not affect UTC. It refers to time on the zero or Greenwich meridian, which is not adjusted to reflect changes either to or from Daylight Saving Time. If the adjusted time is , use midnight. If the adjusted time is , use noon. Notes You can use this method to compare the file's converted time to the time of a software update file that is on your computer.

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