It's always the last Sunday in March, this year that's the 29th. At 1am is the official time.

Obviously the news can't even count! It's always at 2 am Sunday morning, so 1 am becomes 2 am. With the amusing result for churchgoers of guessing who forgot and turns up at church an hour late. There's always one...

Sunday 1am becomes 2am, this year 29th March

They have already changed in the UK. It is ALWAYS on a Saturday night. . Have a look at the clock on your computer.