MST TokyoTime Converter
MST (UTC−7) is currently 16 hours behind Tokyo (JST, UTC+9). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in MST, it's the next day in Tokyo.
MST runs 16 hours behind Tokyo (JST). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.
- Time difference
- +16h 00m
- MST
- UTC−7
- Tokyo
- UTC+9
- Best call window
- 5:00 PM MST
MST to Tokyo conversion table
The next 12 hours in MST and the matching local time in Tokyo. The current hour is highlighted; drag the converter's slider and the table follows.
| MST | Tokyo · JST |
|---|---|
| NOW Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Best time to meet between MST & Tokyo
Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.
Daylight saving shifts this gap by up to 1 hour
The difference between MST and Tokyo swings between 15 and 16 hours across the year as each side starts or ends daylight saving. Regions on MST switch to MDT (UTC−6) during daylight saving time. Tokyo does not observe daylight saving time. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair — every combination is a live tool, not an article.
From MST
To Tokyo
One source of truth — for you and your AI
This page exposes the same answer as structured data, so when you ask an assistant "what's 9am MST time in Tokyo?", it can cite the exact, DST-aware result — not a stale blog post.
- Schema.org JSON-LD on every converter page
- A machine-readable facts island with IANA zones and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "MST → Tokyo",
"url": "https://worldclock.pro/en/convert/mst-to-tokyo",
"from": {
"name": "MST",
"type": "timezone",
"abbreviation": "MST",
"daylightAbbreviation": "MDT",
"iana": "America/Denver",
"standardUtcOffset": "-07:00",
"daylightUtcOffset": "-06:00",
"referenceCity": "Denver"
},
"to": {
"name": "Tokyo",
"type": "city",
"abbreviation": "JST",
"daylightAbbreviation": null,
"iana": "Asia/Tokyo",
"standardUtcOffset": "+09:00",
"daylightUtcOffset": null,
"referenceCity": "Tokyo"
},
"currentDifferenceMinutes": 960,
"possibleDifferencesMinutes": [
900,
960
],
"note": "Between the regions that use these zones the difference is 15 and 16 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}
Frequently asked questions
What is the time difference between MST and Tokyo?
MST is currently 16 hours behind Tokyo. MST is on MST (UTC−7) and Tokyo is on JST (UTC+9). The difference can change when either side starts or ends daylight saving time.
Is Tokyo ahead of or behind MST?
Tokyo is currently 16 hours ahead of MST.
When it is 9:00 AM in MST, what time is it in Tokyo?
When it is 9:00 AM on a Monday in MST, it is 1:00 AM the next day in Tokyo.
Do MST and Tokyo observe daylight saving time?
Regions on MST switch to MDT (UTC−6) during daylight saving time. Tokyo does not observe daylight saving time.
How do I convert MST time to Tokyo time?
Add 16 hours to any time in MST to get the time in Tokyo. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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