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 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).