SGT to MST Converter
MST is 15 hours behind SGT. 9:00 AM SGT = 6:00 PM MST (previous day).
MST is 15 hours behind SGT at the moment. To convert SGT to MST, subtract 15 hours from the SGT time: 9:00 AM SGT = 6:00 PM MST (previous day).
SGT (Singapore Time) is used in Singapore. MST (Mountain Time) is used in Denver, Salt Lake City, Albuquerque, Calgary, Edmonton; Phoenix (Arizona) all year.
Most of Arizona uses MST all year and does not switch to MDT.
SGT to MST time conversion table
SGT to MST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| SGT | MST | Day |
|---|---|---|
| 12:00 AM SGT | 9:00 AM MST | previous day |
| 1:00 AM SGT | 10:00 AM MST | previous day |
| 2:00 AM SGT | 11:00 AM MST | previous day |
| 3:00 AM SGT | 12:00 PM MST | previous day |
| 4:00 AM SGT | 1:00 PM MST | previous day |
| 5:00 AM SGT | 2:00 PM MST | previous day |
| 6:00 AM SGT | 3:00 PM MST | previous day |
| 7:00 AM SGT | 4:00 PM MST | previous day |
| 8:00 AM SGT | 5:00 PM MST | previous day |
| 9:00 AM SGT | 6:00 PM MST | previous day |
| 10:00 AM SGT | 7:00 PM MST | previous day |
| 11:00 AM SGT | 8:00 PM MST | previous day |
| 12:00 PM SGT | 9:00 PM MST | previous day |
| 1:00 PM SGT | 10:00 PM MST | previous day |
| 2:00 PM SGT | 11:00 PM MST | previous day |
| 3:00 PM SGT | 12:00 AM MST | night |
| 4:00 PM SGT | 1:00 AM MST | night |
| 5:00 PM SGT | 2:00 AM MST | night |
| 6:00 PM SGT | 3:00 AM MST | night |
| 7:00 PM SGT | 4:00 AM MST | night |
| 8:00 PM SGT | 5:00 AM MST | night |
| 9:00 PM SGT | 6:00 AM MST | — |
| 10:00 PM SGT | 7:00 AM MST | — |
| 11:00 PM SGT | 8:00 AM MST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert SGT to MST
Subtract 15 hours from the SGT time to get MST.
Example: 9:00 AM SGT = 6:00 PM MST (previous day).
Across midnight: 1:00 AM SGT = 10:00 AM MST (previous day). The date changes, so always check the day as well as the hour.
Time difference between SGT and MST
The time difference between SGT and MST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 7 Mar 2026: MST is 15 hours behind of SGT.
- 8 Mar 2026 – 31 Oct 2026: MST is 14 hours behind of SGT.
- 1 Nov 2026 – 31 Dec 2026: MST is 15 hours behind of SGT.
SGT and MST during daylight saving time
- SGT does not observe daylight saving time; it stays on UTC+8 all year.
- 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).
Best time for a meeting between SGT and MST
SGT and MST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM SGT, which is 4:00 PM MST.
SGT to MST FAQ
What is the time difference between SGT and MST?
Right now MST is 15 hours behind SGT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM SGT in MST?
9:00 AM SGT is 6:00 PM MST (previous day).
What is 12 PM (noon) SGT in MST?
12:00 PM SGT is 9:00 PM MST (previous day).
Is MST ahead of or behind SGT?
MST is 15 hours behind SGT, so it is earlier in MST than in SGT.
Does SGT change for daylight saving time?
No. SGT stays on the same offset all year, so conversions never shift for daylight saving time.
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.
What is the best time for a meeting between SGT and MST?
SGT and MST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM SGT, which is 4:00 PM MST.
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 MST to SGT
Convert SGT to other time zones
Convert other time zones to MST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.