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walesonline.co.uk 13 Sep, 2021 13:30 am

When do the clocks go back and why does the hour change twice a year?

When do the clocks go back and why does the hour change twice a year?
With autumn fast approaching, it isn’t long until the clocks go back again.

The UK is currently using British Summer Time (BST), but the upcoming changing of the clocks will mark the end of the summer months , moving us back into Greenwich Mean Time (GMT).For those in Great Britain, the period of time when the clocks are an hour ahead is called British Summer Time (BST).Also known as Daylight Saving Time, the summer months see more daylight in the evenings and less in the mornings.The campaign for British Summer Time was brought to Britain at the start of the 20th century by builder William Willet, who was angry at how useful daylight hours were being wasted during the summer.

News When do the clocks go back and why does the hour change twice a year?Since then — apart from during 1968 and 1971 when clocks stayed an hour ahead of GMT year-round — the clocks have changed twice a year, every year.

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