Street lights to switch on an hour earlier when clocks go back

All street lights in part-night areas come on according to Greenwich Mean Time (GMT).

 
Last updated:
20 October 2015

Street lights will switch on an hour earlier from Sunday, October 25 – when the clocks go back.

Residents up early in the morning have questioned why street lights are not coming on while it is dark.

All street lights in part-night areas come on according to Greenwich Mean Time (GMT).

In winter, the lights switch on from dusk to the middle of the night and from 5.30am to dawn (may vary up to 20 minutes either way depending on the equipment).

In summer when the clocks go forward to reflect British Summer Time (BST), the lights don’t.

So during October it appears the lights switch on an hour later.

West Sussex County Council Cabinet Member for Highways and Transport, John O'Brien said: “This is an issue which comes up every year.

"The timings of the street lights are factory set and cannot be altered.

“When the clocks go back near the end of the month everyone will notice the lights coming on earlier."

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