At 02:00 BST on Sunday 25th October, the UK clocks shift back one hour, ending British Summer Time and restoring Greenwich Mean Time (GMT). So rejoice as this means an “extra hour in bed”. Mornings will be lighter, and evenings will get darker earlier. Any device in your home connected to the internet, such as smartphones, laptops, tablets and TVs will automatically change. However, alarm clocks, car radios and other devices may need to be changed manually. Next Clock Change: