MDT to YDT Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
6:00 am06:00 MDT (UTC-6), Oct 21, 2026 = 5:00 am05:00 YDT (UTC-7), Oct 21, 2026
MDT is 1 hour ahead of YDT.
MDT and YDT examples
These examples always use MDT (UTC-6) and YDT (UTC-7). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
MDT is 1 hour ahead of YDT.
How the time difference changes
For most of the year, MDT is 1 hour ahead of YDT. From Nov 1, 2026 to Mar 14, 2027, MST and YDT have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in MDT correspond to 8:00 am to 5:00 pm in YDT. At other times of the year, working hours of 9:00 am to 6:00 pm in MST correspond to 9:00 am to 6:00 pm in YDT.For most of the year, working hours of 09:00 to 18:00 in MDT correspond to 08:00 to 17:00 in YDT. At other times of the year, working hours of 09:00 to 18:00 in MST correspond to 09:00 to 18:00 in YDT.
Compare MDT time with YDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Mountain Daylight Time is 1 hour ahead of Yukon Daylight Time.
6:00 am06:00 in MDT is 5:00 am05:00 in YDT
MDT to YDT call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in MDT which corresponds to 9am-5pm09:00-17:00 in YDT
6:00 am06:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
5:00 am05:00 Yukon Daylight Time (YDT). Offset UTC -7:00 hours
6:00 am06:00 MDT / 5:00 am05:00 YDT
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.
| MDT | YDT |
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| 23:00 previous day | |
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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
Yukon Daylight Time
Offset: YDT is 7 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada
Principal Cities: The largest city in the YDT 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 Daylight Time (YDT) do not change for daylight saving time, so YDT 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: HAY - Heure Avancee du Yukon
YDT 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 YDT
- T - short form of 'Tango'
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone