The clocks went forward by one hour last Sunday as Summer Time begins for another year. The official time changed at 1.00 am, moving forward to 2.00 am.
Summer Time starts each year on the last Sunday in March and ends on the last Sunday in October. On Sunday 25 March the clocks went forward, meaning we lose an hour. It ends on 28 October at 2.00 am when the clocks go back to 1.00am.