What is UTC?
Q: What is UTC?
A: UTC stands for Coordinated Universal Time and is the standard time system of the world.
Q: What is the difference between UTC and GMT?
A: UTC and GMT are almost the same, with no practical difference which would be noticed by ordinary people. The standard before UTC was Greenwich Mean Time (GMT).
Q: How are time zones named?
A: Time zones are often named by how many hours they are different from UTC time.
Q: What is the advantage of using UTC on websites like Wikipedia?
A: UTC is used because it does not make any country look more important than the others, and offers one time for all the Internet, which can be used by people all over the world.
Q: How are local times calculated in different time zones?
A: Local times are calculated by adding or subtracting the number of hours that a time zone is different from UTC time.
Q: How is UTC time expressed on a 24-hour clock?
A: UTC time uses the 24-hour clock, which means there is no 'AM' or 'PM'. For example, 4:00PM would be 16:00 or 1600.
Q: Does UTC use daylight savings time?
A: No, UTC does not use daylight savings time so that the time stays consistent throughout the entire year.