MDT to NDT Converter
Time Difference
Mountain Daylight Time is 3 hours and 30 minutes behind Newfoundland Daylight Time
11:30 am11:30 in MDT is 3:00 pm15:00 in NDT
MDT to NDT call time
Best time for a conference call or a meeting is between 8am-2:30pm in MDT which corresponds to 11:30am-6pm in NDT
11:30 am11:30 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
3:00 pm15:00 Newfoundland Daylight Time (NDT). Offset UTC -2:30 hours
11:30 am11:30 MDT / 3:00 pm15:00 NDT
MDT | NDT |
---|---|
12am (midnight) | 3:30 am |
1am | 4:30 am |
2am | 5:30 am |
3am | 6:30 am |
4am | 7:30 am |
5am | 8:30 am |
6am | 9:30 am |
7am | 10:30 am |
8am | 11:30 am |
9am | 12:30 pm |
10am | 1:30 pm |
11am | 2:30 pm |
12pm (noon) | 3:30 pm |
1pm | 4:30 pm |
2pm | 5:30 pm |
3pm | 6:30 pm |
4pm | 7:30 pm |
5pm | 8:30 pm |
6pm | 9:30 pm |
7pm | 10:30 pm |
8pm | 11:30 pm |
9pm | 12:30 am |
10pm | 1:30 am |
11pm | 2:30 am |
0:00 | 3:30 |
1:00 | 4:30 |
2:00 | 5:30 |
3:00 | 6:30 |
4:00 | 7:30 |
5:00 | 8:30 |
6:00 | 9:30 |
7:00 | 10:30 |
8:00 | 11:30 |
9:00 | 12:30 |
10:00 | 13:30 |
11:00 | 14:30 |
12:00 | 15:30 |
13:00 | 16:30 |
14:00 | 17:30 |
15:00 | 18:30 |
16:00 | 19:30 |
17:00 | 20:30 |
18:00 | 21:30 |
19:00 | 22:30 |
20:00 | 23:30 |
21:00 | 0:30 |
22:00 | 1:30 |
23:00 | 2:30 |
Mountain Daylight Time
Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the MDT timezone is Calgary from Canada with population about 1.02 million people. Other major cities in the area are Edmonton, El Paso, Denver, Albuquerque
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Mountain Standard Time (MST).
Start: Mountain Daylight Time (MDT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Mountain Daylight Time (MDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
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 six hour and zero minutes time differences 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
Newfoundland Daylight Time
Offset: NDT is 2 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada
Principal Cities: The largest city in the NDT timezone is St Johns from Canada with population about 99,182 people. Other major cities in the area are Mount Pearl, Corner Brook, Conception Bay South
French: HAT - Heure Avancée de Terre-Neuve

Daylight Saving: Newfoundland Daylight Time (NDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Newfoundland Standard Time (NST).
Start: Newfoundland Daylight Time (NDT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Newfoundland Daylight Time (NDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
NDT representations, usage and related time zones
- -0230 - basic
- -02:30 - extended
- -0230 - sign character (-) followed by a four digit time providing hours (02) and minutes (30) of the offset. Indicates two hour and thirty minutes time differences to the west of the zero meridian.
- America/St_Johns
- Canada/Newfoundland