On April 1, 1999, Canada's geographical and political map changed and a new jurisdiction, Nunavut, was created. Nunavut was formed from the eastern part of the Northwest Territories and was officially named Canada's third territory. On April 1, 2001, Nunavut reverted to 3 time-zones.
Nunavut is in the Mountain Time, Central Time & Eastern Time Zones in Canada, which are 7, 6 & 5 hours respectively behind Greenwich Mean Time (GMT-7, GMT-6, GMT-5).
Nunavut observes Daylight Saving Time.
Standard Time: GMT-7
Daylight Saving Time: GMT-6
Standard Time: GMT-6
Daylight Saving Time: GMT-5
Standard Time: GMT-5
Daylight Saving Time: GMT-4
Government of Nunavut website: www.gov.nu.ca