Time Zones & Daylight Saving Time
Daylight Saving Time in Canada - changes for 2007
Starting in March 2007, the standard North American period for Daylight Saving Time is to be from the second Sunday of March to the first Sunday of November. For more information on how this can affect computers, click here.
Canadian provinces and territories have announced that this standard will replace their previous practice (from 1987 to 2006, DST was from the first Sunday of April to the last Sunday in October).
Note that for 2007, the time difference between Europe and North America will change for a period of 3 weeks instead of 1 week (2 weeks in March and 1 week in November) and will be in the opposite sense to past experience.
The times for the start and end of daylight saving time in Canadian time zones can be found here.
In Canada, Time Zones and Daylight Saving Time usually have been regulated by provincial and territorial governments.
Starting in 2007, clocks following the new North American standard for Daylight Saving Time are to be turned forward by one hour on the second Sunday in March and turned back on the first Sunday of November.
These boundaries and changeover dates have serial number 05, broadcast in computer readable form on short wave station CHU along with Canada's official time reference UTC (NRC): Coordinated Universal Time, the modern implementation of Greenwich Time.
A major change in official time practice will be given a new serial number and documented here.
Dr. Rob Douglas
phone: (613) 993-5186
fax:(613) 952-1394
email:time@nrc-cnrc.gc.ca
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