Don't forget: the clocks go back!
The UK's clocks go back one hour to GMT at 2 am on Sunday 26 October 2014.
As the UK's home of precise time and frequency measurement, NPL provides access to a reliable and trusted source of time.
Ever wondered how we measure the Second - the base unit of time?
Find out more about Time at NPL
Please note that the information will not be divulged to third parties, or used without your permission