Current Time in America/Yellowknife Time Zone
IANA Name: America/Yellowknife
Standard Offset: UTC −07:00
Daylight Saving: Yes
DST Offset: UTC −06:00
DST Abbreviation: MDT
Currently Observing DST: Yes ✅
America/Yellowknife Time Zone: A Complete Guide
America/Yellowknife is the IANA time zone identifier for Yellowknife, the capital of Canada's Northwest Territories. It observes Mountain Standard Time (MST) with daylight saving time, making it UTC-7 in winter and UTC-6 in summer. This zone is used across most of the Northwest Territories and parts of Nunavut, aligning with the broader Mountain Time Zone of North America.
Where and Who Uses America/Yellowknife
America/Yellowknife covers the majority of the Northwest Territories, including the capital Yellowknife, as well as the Kitikmeot Region of Nunavut (e.g., Cambridge Bay, Kugluktuk). It applies to all residents, businesses, and government operations in these areas. The zone is shared with several other IANA zones at the same standard offset: America/Boise, America/Cambridge_Bay, America/Ciudad_Juarez, America/Creston, America/Dawson, America/Dawson_Creek, America/Denver, America/Edmonton, America/Fort_Nelson, America/Hermosillo, America/Inuvik, and America/Mazatlan. However, only some of these observe daylight saving time; America/Yellowknife does.
Offset and Abbreviation Meaning
America/Yellowknife has a standard offset of UTC-7:00, known as Mountain Standard Time (MST). During daylight saving time, the offset shifts to UTC-6:00, called Mountain Daylight Time (MDT). The abbreviation MST stands for Mountain Standard Time, and MDT for Mountain Daylight Time. The zone is 7 hours behind Coordinated Universal Time (UTC) in winter and 6 hours behind in summer.
Daylight Saving Time Behavior
America/Yellowknife observes daylight saving time (DST) each year. Clocks spring forward 1 hour on the second Sunday of March at 2:00 AM local time (MST) to become 3:00 AM MDT. They fall back 1 hour on the first Sunday of November at 2:00 AM MDT to become 1:00 AM MST. Recent and upcoming DST transitions: March 9, 2025 (to MDT); November 2, 2025 (to MST); March 8, 2026 (to MDT); November 1, 2026 (to MST). This pattern follows the North American DST schedule.
Main Countries and Cities
The primary country is Canada, specifically the Northwest Territories (capital: Yellowknife). Other cities in this zone include Inuvik, Fort Smith, Hay River, and Cambridge Bay (Nunavut). The zone also aligns with the Mountain Time Zone used in parts of the United States (e.g., Denver, Edmonton) and Mexico (e.g., Ciudad Juárez, Mazatlán), though those locations have their own IANA zone identifiers.
Practical Guidance for Business Hours and Scheduling
America/Yellowknife is UTC-7 (MST) in winter and UTC-6 (MDT) in summer. When scheduling calls or video conferences, consider the following overlaps: with Eastern Time (UTC-5/UTC-4), Yellowknife is 2 hours behind in winter and 2 hours behind in summer; with Pacific Time (UTC-8/UTC-7), it is 1 hour ahead in winter and 1 hour ahead in summer; with Central Time (UTC-6/UTC-5), it is 1 hour behind in winter and 1 hour behind in summer; with London (UTC+0/UTC+1), it is 7 hours behind in winter and 7 hours behind in summer; with Tokyo (UTC+9), it is 16 hours behind in winter and 15 hours behind in summer. Business hours in Yellowknife typically run from 8:00 AM to 5:00 PM local time, which corresponds to 10:00 AM to 7:00 PM Eastern Time in winter and 9:00 AM to 6:00 PM Eastern Time in summer. For international calls, use tools like World Time Buddy to avoid confusion.
Frequently Asked Questions
What is the current time in Yellowknife?
You can check a world clock website for the exact current time in America/Yellowknife. The zone is UTC-7 (MST) in winter and UTC-6 (MDT) in summer.
Does Yellowknife observe daylight saving time?
Yes, America/Yellowknife observes daylight saving time. Clocks spring forward on the second Sunday of March and fall back on the first Sunday of November.
What is the time difference between Yellowknife and New York?
New York is in Eastern Time (UTC-5/UTC-4). Yellowknife is 2 hours behind New York in both standard and daylight time. For example, when it is 12:00 PM EST in New York, it is 10:00 AM MST in Yellowknife.
Is America/Yellowknife the same as Mountain Time?
Yes, America/Yellowknife observes Mountain Time (MT), which is MST in winter and MDT in summer. It is the same as the Mountain Time Zone used in parts of the US and Canada.
Which other Canadian cities share the same time zone as Yellowknife?
Other Canadian cities in the same zone include Inuvik, Fort Smith, Hay River (Northwest Territories), and Cambridge Bay (Nunavut). Edmonton, Alberta uses America/Edmonton, which also observes MST/MDT but is a different IANA zone.
When does daylight saving time start and end in 2025?
In 2025, DST starts on March 9 (clocks spring forward to MDT) and ends on November 2 (clocks fall back to MST).