Every city of the world, every time zone
Dear visitors, as Greenwich, London, is the home of Greenwich Mean Time (GMT), your local time is displayed below alongside Greenwich Mean Time (GMT).
You can change or add locations as desired, using the time converter that has your time and London time as default settings.
Find out in more detail why the Prime Meridian at Greenwich is so important for the time zone structure.
The United Kingdom is on GMT only during winter months and on British Summer Time (BST) during the summer months.