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The clocks change on the last Sunday of March every year in the UK, moving forward by one hour. This marks the beginning of British Summer Time (BST). In 2025 the clocks go forward on 30 March at 1am. Learn more about why the UK changes the clocks and the history of daylight saving time below with the Royal Observatory Greenwich.
An easy way to remember which way the clocks change is to think of the seasons: in spring the clocks ‘spring forward', while in autumn they 'fall back'. The clocks will go back in the UK on 27 October 2024 at 2am. Learn more about why the UK changes the clocks and the history of daylight saving time with Royal Observatory Greenwich.
BST starts when the clocks go forward in spring. At 1am on the last Sunday in March, clocks 'spring forward' by one hour. BST ends when the clocks go back in autumn. At 2am on the last Sunday in October, the clocks 'fall back' by an hour. Although this change has no effect on the length of each day, sunrise and sunset each appear an hour later ...
In 2024 the winter solstice will occur on Saturday 21 December at 9.21am GMT. The winter solstice occurs in December, and in the Northern Hemisphere the date marks the 24-hour period with the fewest daylight hours of the year. That is why it is known as the shortest day of the year, or the longest night of the year.
In non-Catholic countries the change was made later; Britain and her colonies made the change in 1752 when 2 September was followed by 14 September and New Year's Day was changed from 25 March to 1 January. Leap seconds. A leap second was added on 31 December 2005, the first since 1998, to help keep clock-time aligned with time measured by the Sun.
Artemis 2 will be a crewed flight beyond the Moon which will take humans the farthest they’ve ever been in space. Artemis 3 will be the first crewed Moon landing mission since Apollo 17 in 1972. NASA aims to land the first female astronaut and first astronaut of colour on the lunar surface.
8 Μαρ 2024 · Date and Times. Friday 8 March 2024 | 9.30am - 10am. Register for free here About British Science Week. To officially kick off British Science Week, which in 2024 has the theme of 'Time', the Royal Observatory Greenwich will host an extra-special morning assembly led by our Curator of Time Emily Akkermans, featuring special guest The Dad Lab!
Royal Observatory Greenwich John Harrison's H4-Inspired Gold Pocket Watch. £175.00. A stunningly crafted, gold-plated half double hunter pocket watch inspired by John Harrison’s world-changing chronometer... Buy now. From Greenwich Mean Time to groundbreaking instruments, it's time to wind back the clock on the history of timekeeping.
Discover gifts from the home of time. Keep track of time with Royal Observatory Greenwich watches, and our famous Shepherd Gate clock, reproduced for your wall at home. Easter falls on a Sunday between 22 March and 25 April, but working out which Sunday exactly requires an astronomical calculation.
30 Μαρ 2024 · Top 3 things to see in the night sky in April 2024: Throughout the month - the constellation of Leo the lion. 14 - 30 April - the Lyrid meteor shower. 13 April - close approach of comet 12P/Pons-Brooks and Jupiter. See May's highlights.
