Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. Time Zones & Daylight Saving Time "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," which replaces the previous practice of the first Sunday of April to the last Sunday in October. Includes maps of standard and daylight-saving time zones in Canada. From National Research Council Canada. http://www.nrc-cnrc.gc.ca/eng/services/inms/time-services/time-zones.html Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *