Inside the Elizabeth Tower

Tour the Elizabeth Tower online

Listen to a podcast of a Elizabeth Tower tour

How the Great Clock works

View an animation of the Great Clock's mechanism

Find out how the Great Clock works and view an animation of the Great Clock's mechanism

Keeping the Great Clock ticking

Get behind the scenes information about how the Great Clock is maintained

Great Clock stoppages

What has made the Great Clock stop

Time change weekend

Time change weekend

Find out how each year the time on the Great Clock is changed when British Summer Time (BST) finishes and Greenwich Mean Time (GMT) begins - and vice versa