About The Spring Clock Change
The clocks go forward one hour at 1am on the last Sunday of March in the UK, when 1am becomes 2am. This is the start of British Summer Time (BST): you lose an hour of sleep, but the evenings immediately get lighter — the traditional marker that spring has properly arrived.
Which way do the clocks change?
Remember "spring forward, fall back" — clocks go forward in spring and back in autumn. Smartphones, laptops and smart speakers change themselves overnight; ovens, microwaves, cars and analogue clocks need changing manually. The change happens at 1am specifically to minimise disruption to trains and early workers.
Why does the UK change its clocks?
British Summer Time dates from the Summer Time Act 1916, introduced during the First World War to save fuel by shifting an hour of daylight into the evening. During the Second World War, Britain went further with "Double Summer Time" — two hours ahead of GMT in summer. The system has been debated ever since, but the spring-forward/fall-back pattern has now run largely unchanged for over a century.
Practical effects
Studies consistently show a small spike in tiredness-related accidents in the days after the spring change, so it's the one weekend of the year when an earlier night genuinely counts. Sunset in London jumps from around 6:30pm to 7:30pm overnight, and by the June solstice stretches past 9:20pm.
Frequently Asked Questions
How many days until The Spring Clock Change?
There are 251 days until The Spring Clock Change on 28 March 2027.
What day of the week is The Spring Clock Change?
The Spring Clock Change falls on a Sunday in 2027.
How many weeks until The Spring Clock Change?
Approximately 36 weeks until The Spring Clock Change.
How many months until The Spring Clock Change?
Approximately 8.3 months until The Spring Clock Change.
How many hours until The Spring Clock Change?
Approximately 6,024 hours until The Spring Clock Change.