UTC and GMT are almost the same. In fact, there is no practical difference which would be noticed by ordinary people. Some websites, for example Wikipedia, use UTC because it does not make any country look more important than the others. It offers one time for all the internet (the same time can be used by people all over the world).Does UTC have daylight savings?
UTC does not change with a change of seasons, but local time or civil time may change if a time zone jurisdiction observes daylight saving time or summer time.What is the time zone in Sydney Australia?
Time zone: Australia/Sydney. Time Zone: Australian Eastern Standard Time (AEST) = UTC+10. Daylight Saving Time Zone: Australia Eastern Daylight Time (AEDT) = UTC+11.What is the difference between UTC and GMT?
GMT is Greenwich Mean Time whereas UTC is Coordinated Universal Time. GMT refers to the time maintained at the Royal Observatory in Greenwich, London called the mean solar time. UTC is based on International Atomic Time (TAI).