Royal Observatory Greenwich blog
Spring forward – clocks change 28 March

Whichever way you reckon these things, since yesterday’s equinox it’s undeniably spring now in the northern hemisphere (see earlier post on the debate over when spring starts). Here in Greenwich at least, it even actually feels like spring today.

Then this coming Sunday residents of the UK will lose an hour’s sleep to gain an extra hour’s daylight in the evenings. Longer evenings are not of course good news for everyone – amateur astronomers will have to stay up later and later to get the darkness needed for observing.

So at 1.00 am GMT on Sunday 28 March clocks in the UK officially move forward by an hour as civil time changes from
Coordinated Universal Time (almost identical to Greenwich Mean Time) to
British Summer Time or BST.

Which means that though it’s definitely now spring, as of next week we’ll be in British Summer Time, which this year lasts until 31 October when by most counts we’ll be in mid-autumn… it’s no wonder we get confused about the seasons.

In search of a bit more clarity, why not listen in to David Rooney discovering more about British Summer Time or have a look at our Spring Forward: 100 Years of British Summer Time page?

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