The big picture: The official time switch ... It now runs from the second Sunday in March to the first Sunday in November.

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto.

And while millions of Brits will lose an hour's sleep on Sunday 30 March, they are being warned that they risk losing a lot of money too unless they make some crucial changes in their homes. The time ...