Every year clocks go forward an hour in March and back an hour in October - with 2016 marking a century since it was first introduced in the UK.
Despite the longstanding nature of British Savings Time, many are still caught out by the yearly changes with little understanding why it is still used.
When do the clocks go back?
At 2am on Sunday 30 October, the time will go back by an hour to 1am, changing from British Summer Time (BST) to Greenwich Mean Time Greenwich (GMT).
Why was daylight savings introduced?
Prominent Edwardian builder William Willett said in 1907 the clocks should be changed at different times of the year to give the country more daylight during waking hours.
He argued it would save on energy costs and offer people more time outdoors.
The Government only adopted his ideas in 1916 during the First World War, as politicians believed it would help reduce the demand for coal.
Why are clocks still being turned back and forward each year?
According to the government's website, the clocks are still moved forward in the summer as there is more sunlight in the evening and moved back in the autumn as there is more sunlight in the morning.
Supporters of Daylight Saving claim the changes reduces energy use and encourages the UK workforce to be happier and more industrious.
According to the golf industry, the changes help generate an extra £246.5 million in sales and green fees.
Sceptics have claimed the benefits of changing the clocks are still unproven and that daylight saving may not reduce energy costs due to the extra use of air conditioning and electric fans.
When will the clocks move forward again?
The clocks will return to Daylight Savings Time and go forward an hour next spring.
On 26 March 2017, the clocks will change at 1am to 2am.
