Yokohama Time to MST Converter
MST is 16 hours behind JST. 9:00 AM JST = 5:00 PM MST (previous day).
MST is 16 hours behind JST at the moment. To convert Yokohama Time to MST, subtract 16 hours from the Yokohama Time time: 9:00 AM JST = 5:00 PM MST (previous day).
Yokohama Time (Yokohama time) is used in Yokohama, Japan. 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.
Yokohama Time to MST time conversion table
Yokohama Time to MST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Yokohama Time | MST | Day |
|---|---|---|
| 12:00 AM JST | 8:00 AM MST | previous day |
| 1:00 AM JST | 9:00 AM MST | previous day |
| 2:00 AM JST | 10:00 AM MST | previous day |
| 3:00 AM JST | 11:00 AM MST | previous day |
| 4:00 AM JST | 12:00 PM MST | previous day |
| 5:00 AM JST | 1:00 PM MST | previous day |
| 6:00 AM JST | 2:00 PM MST | previous day |
| 7:00 AM JST | 3:00 PM MST | previous day |
| 8:00 AM JST | 4:00 PM MST | previous day |
| 9:00 AM JST | 5:00 PM MST | previous day |
| 10:00 AM JST | 6:00 PM MST | previous day |
| 11:00 AM JST | 7:00 PM MST | previous day |
| 12:00 PM JST | 8:00 PM MST | previous day |
| 1:00 PM JST | 9:00 PM MST | previous day |
| 2:00 PM JST | 10:00 PM MST | previous day |
| 3:00 PM JST | 11:00 PM MST | previous day |
| 4:00 PM JST | 12:00 AM MST | night |
| 5:00 PM JST | 1:00 AM MST | night |
| 6:00 PM JST | 2:00 AM MST | night |
| 7:00 PM JST | 3:00 AM MST | night |
| 8:00 PM JST | 4:00 AM MST | night |
| 9:00 PM JST | 5:00 AM MST | night |
| 10:00 PM JST | 6:00 AM MST | — |
| 11:00 PM JST | 7:00 AM MST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Yokohama Time to MST
Subtract 16 hours from the Yokohama Time time to get MST.
Example: 9:00 AM JST = 5:00 PM MST (previous day).
Across midnight: 1:00 AM JST = 9:00 AM MST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Yokohama Time and MST
The time difference between Yokohama Time 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 16 hours behind of Yokohama Time.
- 8 Mar 2026 – 31 Oct 2026: MST is 15 hours behind of Yokohama Time.
- 1 Nov 2026 – 31 Dec 2026: MST is 16 hours behind of Yokohama Time.
Yokohama Time and MST during daylight saving time
- Yokohama Time does not observe daylight saving time; it stays on UTC+9 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 Yokohama Time and MST
Yokohama Time and MST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM JST, which is 3:00 PM MST.
Yokohama Time to MST FAQ
What is the time difference between Yokohama Time and MST?
Right now MST is 16 hours behind JST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Yokohama Time in MST?
9:00 AM JST is 5:00 PM MST (previous day).
What is 12 PM (noon) Yokohama Time in MST?
12:00 PM JST is 8:00 PM MST (previous day).
Is MST ahead of or behind Yokohama Time?
MST is 16 hours behind JST, so it is earlier in MST than in Yokohama Time.
Does Yokohama Time change for daylight saving time?
No. Yokohama Time 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 Yokohama Time and MST?
Yokohama Time and MST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM JST, which is 3:00 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 Yokohama Time
Convert Yokohama Time to other time zones
Convert other time zones to MST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.