Adjusting the clocks at the Measuring Time gallery at the Science Museum can be a lengthy process
Most people in the UK have had an extra hour in bed, as clocks went back
to mark the return of Greenwich Mean Time.
At 02:00 on Sunday, clocks went back to 01:00 as British Summer Time
ended.
It means darker evenings until they are put forward again next year. The
Science Museum in London has more than 500 timepieces in its Measuring Time
gallery and the end of British Summer Time means the 35 clocks still in working
order will be changed. "It is quite a difficult job and requires
specialist skills," said Science Museum's conservator Richard Horton, who
is overseeing the process.
The Wells Cathedral Clock - the second oldest surviving clock in England
and the third oldest in the world, dating from 1392 - involves very specific
challenges. The clock is adjusted to GMT in a 20-minute process during which it
is advanced by 11 hours. A wide range of timekeeping devices are on display at
the museum, from sand-glasses to water clocks and sundials to wristwatches. Andrew
Nahum, a senior curator at the museum, said the time adjustments twice a year
represent "an intriguing part of national life".
BBC
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