When do the clocks go back in 2015?

Summer is well and truly over and it's not long before the clocks change for winter.We've had the last Bank Holiday and the nights are drawing in.So the next step is Daylight Savings Time. But why do we have it in the UK?When do the clocks go back?In the UK, the clocks go back 1 hour at 2am on the last Sunday in October (October 25 this year), meaning the country reverts back to Greenwich Mean Time (GMT), the global time standard.The period when the clocks are 1 hour ahead (which began on March...