GMT is a country based time standard. It is used primarily by bodies associated with the United Kingdom like the BBC World Service, the Royal Navy, and the Met Office. As a matter of fact, several countries adopt GMT in their legislation. They are the United Kingdom, Belgium, Republic of Ireland, and Canada.Is UTC and GMT the same thing?
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).How do I Check my Time Zone?
Using the Command Line Open Terminal. Check your current time zone. Check available time zones. Select a continent or ocean. Select a country. Select a time zone. Confirm the local time. Verify that your time zone has been set. Set your clock to stay synced with internet time servers if you like.