This year DST will start from March 11 2007 as compared to April 1st 2007 and ends on November 4th 2007.
Source:
As you may already know, there will be some changes to the Daylight Savings Time starting in 2007. The United States and parts of Canada (including Ontario) are extending the period of Daylight Saving Time (DST) beginning in 2007. From 2007 onward, DST will commence on the second Sunday of March, which falls on March 11 in 2007 (three weeks earlier than previously, was the first Sunday in April) and end on the first Sunday of November, which falls on November 4 in 2007 (a one week extension, was the last Sunday in October).
…