NST to MDT Converter
Newfoundland Time is on daylight saving time: NDT (UTC−2:30) until Sun, Nov 1.
Quick answers
Selected conversion
9:30 am09:30 NDT (UTC-2:30), Oct 4, 2026 = 6:00 am06:00 MDT (UTC-6), Oct 4, 2026
NDT is 3 hours and 30 minutes ahead of MDT.
NST and MDT examples
These examples always use NST (UTC-3:30) 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.
NST is 2 hours and 30 minutes ahead of MDT.
How the time difference changes
For most of the year, NDT is 3 hours and 30 minutes ahead of MDT. At other times of the year, NST is 3 hours and 30 minutes ahead of MST. Briefly around clock changes, NDT is 4 hours and 30 minutes ahead of MST or NST is 2 hours and 30 minutes ahead of MDT.
For most of the year, working hours of 9:00 am to 5:00 pm in NDT correspond to 5:30 am to 1:30 pm in MDT. At other times of the year, working hours of 9:00 am to 5:00 pm in NST correspond to 5:30 am to 1:30 pm in MST.For most of the year, working hours of 09:00 to 17:00 in NDT correspond to 05:30 to 13:30 in MDT. At other times of the year, working hours of 09:00 to 17:00 in NST correspond to 05:30 to 13:30 in MST.
Compare NST time with MDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Newfoundland Daylight Time is 3 hours and 30 minutes ahead of Mountain Daylight Time.
9:30 am09:30 in NDT is 6:00 am06:00 in MDT
NDT to MDT call time
Best time for a conference call or a meeting is between 12:30pm-5pm12:30-17:00 in NDT which corresponds to 9am-1:30pm09:00-13:30 in MDT
9:30 am09:30 Newfoundland Daylight Time (NDT). Offset UTC -2:30 hours
6:00 am06:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
9:30 am09:30 NDT / 6:00 am06:00 MDT
| NDT | MDT |
|---|---|
| 12:00am | 8:30pm |
| 1:00am | 9:30pm |
| 2:00am | 10:30pm |
| 3:00am | 11:30pm |
| 4:00am | 12:30am |
| 5:00am | 1:30am |
| 6:00am | 2:30am |
| 7:00am | 3:30am |
| 8:00am | 4:30am |
| 9:00am | 5:30am |
| 10:00am | 6:30am |
| 11:00am | 7:30am |
| 12:00pm | 8:30am |
| 1:00pm | 9:30am |
| 2:00pm | 10:30am |
| 3:00pm | 11:30am |
| 4:00pm | 12:30pm |
| 5:00pm | 1:30pm |
| 6:00pm | 2:30pm |
| 7:00pm | 3:30pm |
| 8:00pm | 4:30pm |
| 9:00pm | 5:30pm |
| 10:00pm | 6:30pm |
| 11:00pm | 7:30pm |
| 00:00 | 20:30 |
| 01:00 | 21:30 |
| 02:00 | 22:30 |
| 03:00 | 23:30 |
| 04:00 | 00:30 |
| 05:00 | 01:30 |
| 06:00 | 02:30 |
| 07:00 | 03:30 |
| 08:00 | 04:30 |
| 09:00 | 05:30 |
| 10:00 | 06:30 |
| 11:00 | 07:30 |
| 12:00 | 08:30 |
| 13:00 | 09:30 |
| 14:00 | 10:30 |
| 15:00 | 11:30 |
| 16:00 | 12:30 |
| 17:00 | 13:30 |
| 18:00 | 14:30 |
| 19:00 | 15:30 |
| 20:00 | 16:30 |
| 21:00 | 17:30 |
| 22:00 | 18:30 |
| 23:00 | 19:30 |
Newfoundland Standard Time
Offset: NST is 3 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada
Principal Cities: The largest city in the NST time zone is St Johns in Canada, with about 110,525 people. Other major cities in this time zone include Conception Bay South, Mount Pearl, Corner Brook.
French: HNT - Heure Normale de Terre-Neuve
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Newfoundland Daylight Time (NDT).
End: Newfoundland Standard Time (NST) ended 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 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Newfoundland Standard Time (NST) starts 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. Standard time starts annually on the first Sunday of November.
NST representations, usage and related time zones
- -0330 - basic
- -03:30 - extended
- -0330 - sign character (-) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates an offset of three hours and thirty minutes to the west of the zero meridian.
- America/St_Johns
- Canada/Newfoundland
Mountain Daylight Time
Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the MDT time zone is Calgary in Canada, with about 1.307 million people. Other major cities in this time zone include Edmonton, Denver, El Paso, Albuquerque.
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico
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.
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