The time of year has arrived when the days gets noticeably shorter and the nights become darker.
British Summer Time is set to come to an end tonight, which means we are about to gain an extra hour in bed tomorrow morning after any Halloween party celebrations.
The clocks change at two points during the year and its often a point of confusion over when we gain or lose an hour.
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However, it is handy to remember the phrase "spring forward, fall back" to know the difference.
This means that the clocks will go back at 2am tonight - but will your mobile phone automatically update in-line with the new time?
The good news is that mobile phones should update, but it is dependent on the model you own.
Apple iPhones, iPad and Macs update automatically, but it is advised you check you have ‘set automatically’ turned on in your ‘date and time’ settings.
If you have an Android phone, it is also advised that you check you have 'automatic updates' set to your phone.
However, wall clocks and the time on devices such as ovens may need to be updated manually.
Why do we change the clocks?
The clocks go back as a way to make the most of natural daylight.
The clocks go forward by an hour to mark the start of British Summer Time at 1am on the last Sunday of March.
Fast forwarding the clocks in spring means nights are lighter for commuters coming home after work and there is more sun in the evenings.
But, for those of us who get up early, it is a brief return to darker mornings as we return to Greenwich Mean Time when the clocks go back.
If you rely on your mobile phone alarm to help with the early wake-ups, then the time should automatically update on your device, but the advice is to make sure to double-check in your settings.
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