Time Difference Between Singapore and Mountain Time
As of 12 October 2026, Mountain Time is 14 hours behind Singapore. That number is not constant. Over the course of a year, because of daylight saving changes, Mountain Time, United States ranges from 15 hours behind to 14 hours behind relative to Singapore. The calculator below is always up to date.
Comparing other zones inside the country? See all seven US time zones side by side.
Tap either box to search any country or city.
Singapore
20:45
Mon, Oct 12, 2026
UTC+8 · Asia/Singapore
Mountain Time, United States
-14h
06:45
Mon, Oct 12, 2026
UTC-6 · MDT · America/Denver
Mountain Time is 14 hours behind Singapore.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Singapore | Monday, October 12, 2026 | Asia/Singapore | UTC+8 | Not observed |
| Mountain Time | Monday, October 12, 2026 | MDTAmerica/Denver | UTC-6 | Active now |
Mountain Time: Covers Denver and most of the Rocky Mountain states. Switches between MST (UTC-7) and MDT (UTC-6) with daylight saving — unlike Arizona, which stays on MST year-round.
Hour by hour: Singapore to Mountain Time
Every hour of today in Singapore and what it is in Mountain Time. Highlighted rows fall inside Mountain Time working hours (09:00–18:00).
| Singapore | Mountain Time |
|---|---|
| 00:00 | 10:00prev day |
| 01:00 | 11:00prev day |
| 02:00 | 12:00prev day |
| 03:00 | 13:00prev day |
| 04:00 | 14:00prev day |
| 05:00 | 15:00prev day |
| 06:00 | 16:00prev day |
| 07:00 | 17:00prev day |
| 08:00 | 18:00prev day |
| 09:00 | 19:00prev day |
| 10:00 | 20:00prev day |
| 11:00 | 21:00prev day |
| Singapore | Mountain Time |
|---|---|
| 12:00 | 22:00prev day |
| 13:00 | 23:00prev day |
| 14:00 | 00:00 |
| 15:00 | 01:00 |
| 16:00 | 02:00 |
| 17:00 | 03:00 |
| 18:00 | 04:00 |
| 19:00 | 05:00 |
| 20:00 | 06:00 |
| 21:00 | 07:00 |
| 22:00 | 08:00 |
| 23:00 | 09:00 |
Best time to call or meet
Overlapping working hours
No overlap
Standard working hours in Singapore and Mountain Time never overlap. Someone has to start early or finish late — the calling window below is the practical compromise.
Reasonable calling hours
08:00–11:00 in Singapore (18:00–21:00 in Mountain Time)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
Mountain Time puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-6 to UTC-7. After that date, Mountain Time is 15 hours behind Singapore — instead of 14 hours behind, as it is today.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Singapore and Mountain Time: common questions
What is the time difference between Singapore and Mountain Time?
As of 12 October 2026, Mountain Time is 14 hours behind Singapore. The gap is not fixed: across the year, Mountain Time ranges from 15 hours behind to 14 hours behind relative to Singapore, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Singapore, what time is it in Mountain Time?
It is 07:00 PM in Mountain Time, United States. Use the time field in the calculator above to check any other hour.
Is Mountain Time ahead of or behind Singapore?
Mountain Time is behind Singapore by 14 hours at the moment. In practical terms, the working day in Mountain Time starts and ends later in Singapore terms.
Do Singapore and Mountain Time observe daylight saving time?
Mountain Time changes its clocks twice a year; Singapore does not. The difference therefore shifts by an hour when Mountain Time switches: across the year, Mountain Time ranges from 15 hours behind to 14 hours behind relative to Singapore.
What is the best time to call Mountain Time from Singapore?
Standard working hours in Singapore and Mountain Time do not overlap at all, so one side has to take the call outside office hours. Early morning in Singapore or late evening is usually the least disruptive option.
Related comparisons
Local dates shown for Singapore (UTC+8) and Mountain Time, United States (UTC-6) were generated on Monday, October 12, 2026 UTC and refresh in your browser.