Instant time conversion between world locations
View local current time differences and GMT offsets
GMT is both a time zone and the reference point for the Prime Meridian
Everyone's local time is just a glance away, whether it is a digital device or a traditional clock/watch. Not everyone lives in the same time zone though, so local times differ.
Find out what is GMT and why is the Prime Meridian so important for the time zone structure.
Looking for current time in a particular country? Use the World Clock and then compare time differences or offsets with the Time Zone Converter
The United Kingdom uses GMT only during winter months and British Summer Time (BST) during summer months.
British Summer Time is in its way unique, not just because of its name. As it happens quite often, scientific facts provide surprising insights.
