Assuming you are referring to daylight savings time, the clocks already changed at 2:00 am on Sunday March 13, 2010.
yes.
You change you clocks back on hour Sunday morning at 2:00am which changes to 1:00am.
Second Sunday in March, March 14th at 2 am
On Sunday the 25th of october at 02:00 gmt the clocks go back one hour to 01:00
In 2009 the UK will change their clocks one hour ahead at 1am on the last Sunday in March, March 29th. They will move their clocks back an hour at 1am on the last Sunday in October, October 25th.
When the clocks get turned back depends on where you are. In the United States, most locations turn their clocks back on the first Sunday in November. In the European Union, most locations turn their clocks back on the last Sunday in October.
2 AM on Sunday Morning.
This year it is on Nov 6th after midnight, Clocks go back 1 hour 2am on Sunday.
There is not a set date for either of these times. Nevertheless, they follow the rule that the last Sunday in March the clocks go forward. The last Sunday in October the clocks go back. This can be remembered with the mnemonic "the clocks spring forward in spring and fall back in fall"
Summer Time ended on Sunday 3 April @ 3 AM Local Summer Time and restarted on Sunday 2 October @ 2 AM Local Standard Time.
The time change takes place at 2:00 am on the first Sunday in November for the United States and the last Sunday in October for western European countries.
It is always the last Sunday in March, in 2009 it will be 29th March, clocks always go forward on the last Sunday in October also.