Time Zones & Daylight Saving Time
Daylight Saving Time in Canada-as usual in 2005 and 2006.
Starting in March 2007, the USA's use of Daylight Saving Time will be from the second Sunday of March to the first Sunday of November.
For 2005 and 2006, the USA's use of Daylight Saving Time is still from the first Sunday in April to the last Sunday of October, the same pattern as has been observed in Canada since 1987. The new American pattern is closer to the pattern requested by provinces and municipalities in the early 1980's (the first Sunday of March to the first Sunday of November). Definitive provincial decisions about the pattern in Canada may be announced in late 2005 or in 2006.
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.
Clocks are turned forward by one hour on the first Sunday in April and turned back on the last Sunday of October. Time Zones have been like this since 1988.
The boundaries and changeover dates have serial number 04, 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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