25 October 2009

Time to change

Photo: BBC

The European Union as a whole uses summer (or daylight saving) time from the last Sunday in March to the last Sunday in October. The change between the two takes place at 01.00 GMT.

In October, just when you get used to it getting dark at around 5.30-6.00pm we change our clocks from following British Summer Time (BST) back to Greenwich Mean Time (GMT). This means it will be dark an hour earlier, and don't we all notice it! It seems as though suddenly the nights are substantially longer.

Subconsciously, many of us will feel winter has dawned. Most of us will be travelling to and from work in darkness, so perhaps it's not surprising that so many people, up to one in every 20 people, suffer from SAD (Seasonal Affective Disorder) during the UK's long winter days. This is a specific type of depression that experts believe is related to a lack of exposure to daylight. It affects people at the same time each year - during autumn and winter.

Read more at BBC Weather.

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