USA & Canada clocks
Daylight Saving Time dates 2013
Sunday 10 March 2013 2am local time
until Sunday 3 November 2013 2am local time
USA and Canada Standard Time Date schedules
In most states in the USA and in most provinces in Canada, Daylight-Saving
Time (DST) is observed. DST PT or PDT is 7 hours behind
Greenwich Mean Time (GMT-7).
After the Summer months Pacific Time is shifted back by 1
hour to US Pacific Standard Time. Pacific Standard Time (PST) is 8 hours
Mean Time (GMT-8).