MST to St. John's Time Converter
NST is 3 hours 30 minutes ahead of MST. 9:00 AM MST = 12:30 PM NST.
NST is 3 hours 30 minutes ahead of MST. To convert MST to St. John's Time, add 3 hours 30 minutes to the MST time: 9:00 AM MST = 12:30 PM NST.
MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year. St. John's Time (St. John's time) is used in St. John's, Canada.
Most of Arizona uses MST all year and does not switch to MDT.
MST to St. John's Time time conversion table
MST to St. John's Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| MST | St. John's Time |
|---|---|
| 12:00 AM | 3:30 AM |
| 1:00 AM | 4:30 AM |
| 2:00 AM | 5:30 AM |
| 3:00 AM | 6:30 AM |
| 4:00 AM | 7:30 AM |
| 5:00 AM | 8:30 AM |
| 6:00 AM | 9:30 AM |
| 7:00 AM | 10:30 AM |
| MST | St. John's Time |
|---|---|
| 8:00 AM | 11:30 AM |
| 9:00 AM | 12:30 PM |
| 10:00 AM | 1:30 PM |
| 11:00 AM | 2:30 PM |
| 12:00 PM | 3:30 PM |
| 1:00 PM | 4:30 PM |
| 2:00 PM | 5:30 PM |
| 3:00 PM | 6:30 PM |
| MST | St. John's Time |
|---|---|
| 4:00 PM | 7:30 PM |
| 5:00 PM | 8:30 PM |
| 6:00 PM | 9:30 PM |
| 7:00 PM | 10:30 PM |
| 8:00 PM | 11:30 PM |
| 9:00 PM | 12:30 AM+1 |
| 10:00 PM | 1:30 AM+1 |
| 11:00 PM | 2:30 AM+1 |
Conversion table from MST to St. John's Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in St. John's Time, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert MST to St. John's Time
Add 3 hours 30 minutes to the MST time to get St. John's Time.
Example: 9:00 AM MST = 12:30 PM NST.
Across midnight: 10:00 PM MST = 1:30 AM NST (next day). The date changes, so always check the day as well as the hour.
Time difference between MST and St. John's Time
The time difference between MST and St. John's Time is 3 hours 30 minutes all year – NST is ahead of MST.
MST and St. John's Time during daylight saving time
- MST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
- St. John's Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from NST (UTC−3:30) to NDT (UTC−2:30).
Best time for a meeting between MST and St. John's Time
MST and St. John's Time share 4 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 1:30 PM MST lands between 12:30 PM and 5:00 PM NST, inside working hours for both.
MST to St. John's Time FAQ
What is the time difference between MST and St. John's Time?
NST is 3 hours 30 minutes ahead of MST all year. 9:00 AM MST = 12:30 PM NST.
What is 9 AM MST in St. John's Time?
9:00 AM MST is 12:30 PM NST.
What is 12 PM (noon) MST in St. John's Time?
12:00 PM MST is 3:30 PM NST.
Is St. John's Time ahead of or behind MST?
NST is 3 hours 30 minutes ahead of MST, so it is later in St. John's Time than in MST.
Does MST change for daylight saving time?
Yes. MST next changes on 14 Mar 2027, when clocks go forward one hour from MST to MDT.
Does St. John's Time change for daylight saving time?
Yes. St. John's Time next changes on 14 Mar 2027, when clocks go forward one hour from NST to NDT.
What is the best time for a meeting between MST and St. John's Time?
MST and St. John's Time share 4 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 1:30 PM MST lands between 12:30 PM and 5:00 PM NST, inside working hours for both.
Is MT the same as MST?
MST is the winter (standard) name of Mountain Time (MT). From March to November the same clocks are called MDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert St. John's Time to MST
Convert MST to other time zones
Convert other time zones to St. John's Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.