Offset
The time difference between Singapore Time and Mountain Time is 14 hours.
Singapore Time (SGT) is ahead of Mountain Time (MDT).
SGT: UTC+8
MDT: UTC-6
Mountain Time is currently observing daylight saving time; Singapore Time is not.
When to schedule
Standard business hours (9 AM–5 PM, Mon–Fri) in Singapore Time and Mountain Time don't overlap on the same weekday. Mountain Time is 14 hours behind Singapore Time.
Realistic options: hand off asynchronously, or stretch one side by an hour to catch the other team at the start or end of their day.
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Singapore
- New Year's DayThu, Jan 1
- Chinese New YearTue, Feb 17
- Chinese New YearWed, Feb 18
- Hari Raya PuasaFri, Mar 20
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- Hari Raya Haji (Tentative Date)Wed, May 27
- National DayMon, Aug 10
- DeepavaliMon, Nov 9
- Christmas DayFri, Dec 25
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
About these zones
Singapore Time is also known as SGT. To call Singapore, dial +65.
Mountain Time is also known as MST, or MDT. To call United States, dial +1.
Mountain Time is approximately 9,050 miles northeast of Singapore Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| SGT | MST | Day |
|---|---|---|
| 12:00 am | 10:00 am | -1 day |
| 1:00 am | 11:00 am | -1 day |
| 2:00 am | 12:00 pm | -1 day |
| 3:00 am | 1:00 pm | -1 day |
| 4:00 am | 2:00 pm | -1 day |
| 5:00 am | 3:00 pm | -1 day |
| 6:00 am | 4:00 pm | -1 day |
| 7:00 am | 5:00 pm | -1 day |
| 8:00 am | 6:00 pm | -1 day |
| 9:00 am | 7:00 pm | -1 day |
| 10:00 am | 8:00 pm | -1 day |
| 11:00 am | 9:00 pm | -1 day |
| 12:00 pm | 10:00 pm | -1 day |
| 1:00 pm | 11:00 pm | -1 day |
| 2:00 pm | 12:00 am | Same day |
| 3:00 pm | 1:00 am | Same day |
| 4:00 pm | 2:00 am | Same day |
| 5:00 pm | 3:00 am | Same day |
| 6:00 pm | 4:00 am | Same day |
| 7:00 pm | 5:00 am | Same day |
| 8:00 pm | 6:00 am | Same day |
| 9:00 pm | 7:00 am | Same day |
| 10:00 pm | 8:00 am | Same day |
| 11:00 pm | 9:00 am | Same day |
Daylight saving time
Mountain Time observes daylight saving time; Singapore Time does not. The offset between the two zones changes when Mountain Time transitions: on Sunday, November 1, 2026, clocks fall back from MDT to MST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:58 AM
- Sunset
- 7:10 PM
- Day length
- 12h 12m
- Sunrise
- 5:34 AM
- Sunset
- 8:25 PM
- Day length
- 14h 51m
Daylight overlap: 3h 26m — 6:58 AM–10:25 AM in Singapore Time (4:58 PM–8:25 PM in Mountain Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Singapore Time
Cities in Mountain Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Singapore Time
- SIN
Airports in Mountain Time
- BJC
- DEN
- OGD
- SLC
Related conversions
Common conversions
- What is 9:00 am SGT in MST?
- 9:00 am SGT is 7:00 pm MST, the previous day.
- What is 12:00 pm SGT in MST?
- 12:00 pm SGT is 10:00 pm MST, the previous day.
- What is 12:30 pm SGT in MST?
- 12:30 pm SGT is 10:30 pm MST, the previous day.
- What is 2:00 pm SGT in MST?
- 2:00 pm SGT is 12:00 am MST.
- What is 5:00 pm SGT in MST?
- 5:00 pm SGT is 3:00 am MST.
- What is 11:30 pm SGT in MST?
- 11:30 pm SGT is 9:30 am MST.