What is time zone?

Time zone is area where time is same across whole that area. Time zones mostly follow country boundaries but in some big countries a country could be divided into multiple time zones.

The reference time zone is Greenwich Mean Time in London. It is denoted as UTC+00:00.

Most of the time time zone differ from each other by an hour but there are some time zones with half hour or 45 minutes difference.

What time zones are supported in this page?

The following time zones are supported in this page: