USA & Canada clocks
Daylight Saving Time dates 2012
Sunday 11 March 2012 2am local time
until Sunday 4 November 2012 2am local time
see: Daylight-Saving-Time.com
for details
USA and Canada Standard Time Date schedules
here
Mountain Daylight Time is the Mountain Time Zone of the United
States of America (USA). Mountain Standard Time (MST) is 7 hours behind Greenwich
Mean Time (GMT-7).
In most states in the USA and in most provinces in Canada, Daylight-Saving
Time (DST) is observed. During DST is 6 hours behind
Greenwich Mean Time (GMT-6).
After the Summer months Mountain Time is shifted
back by 1 hour to US Mountain Standard Time (MST) or (GMT-7).