YST to MDT Converter
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Quick answers
Selected conversion
5:00 am05:00 YST (UTC-7), Oct 26, 2026 = 6:00 am06:00 MDT (UTC-6), Oct 26, 2026
YST is 1 hour behind MDT.
YST and MDT examples
These examples always use YST (UTC-7) and MDT (UTC-6). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
YST is 1 hour behind MDT.
How the time difference changes
For most of the year, YST is 1 hour behind MDT. From Nov 1, 2026 to Mar 14, 2027, YST and MST have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in YST correspond to 10:00 am to 7:00 pm in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in YST correspond to 9:00 am to 6:00 pm in MST.For most of the year, working hours of 09:00 to 18:00 in YST correspond to 10:00 to 19:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in YST correspond to 09:00 to 18:00 in MST.
Compare YST time with MDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Yukon Standard Time is 1 hour behind Mountain Daylight Time.
5:00 am05:00 in YST is 6:00 am06:00 in MDT
YST to MDT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in YST which corresponds to 10am-6pm10:00-18:00 in MDT
5:00 am05:00 Yukon Standard Time (YST). Offset UTC -7:00 hours
6:00 am06:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
5:00 am05:00 YST / 6:00 am06:00 MDT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| YST | MDT |
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| 12:00am next day | |
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| 00:00 next day |
Yukon Standard Time
Offset: YST is 7 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada
Principal Cities: The largest city in the YST time zone is Whitehorse in Canada, with about 28,201 people. Other major cities in this time zone include Watson Lake.
Daylight Saving: Clocks in Yukon Standard Time (YST) do not change for daylight saving time, so YST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
French: HNY - Heure Normale du Yukon
YST representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
- Tango - Military abbreviation for YST
- T - short form of 'Tango'
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Mountain Daylight Time
Offset: MDT is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the MDT time zone is Ciudad Juárez in Mexico, with about 1.512 million people. Other major cities in this time zone include Denver, El Paso, Albuquerque, Colorado Springs.
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico
Today all shaded areas are on MDT.
Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Mountain Standard Time (MST).
Start: Mountain Daylight Time (MDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
End: Mountain Daylight Time (MDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
MDT representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
- Sierra - Military abbreviation for MDT
- S - short form of 'Sierra'
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Navajo
- US/Mountain
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone