Also known as: UTC – Coordinated Universal Time, GT – Greenwich Time
Greenwich Mean Time (GMT) has no offset from Coordinated Universal Time (UTC). This time zone is in use during standard time in: Europe, Africa, North America, Antarctica.
Where and When is GMT Observed?
Europe
European countries/territories using GMT all year:
European countries/territories using GMT in the winter and IST or BST in the summer:
Africa
African countries using GMT all year:
North America
Areas of Greenland using GMT all year:
Antarctica
Locations in Antarctica using GMT in the summer and CEST in the winter:
Other Time Zones in UTC +0
Some time zones exist that have the same offset as GMT, but can be found under a different name: