Greenwich Mean Time (GMT) - World Time
How to view local current time differences
GMT is both a timezone and the reference point for the Prime Meridian.
Convert time between any two timezones World Timezone Converter
Find the current time in a particular country GMT Time Converter
The United Kingdom runs on GMT only during Winter months and on BST during Summer months: British Summer Time (BST) .
British Summer Time is in its way unique, not just because of its name. As it so often happens, scientific facts provide unusual insights.