JST to MST Converter

Move Cursor to Convert

Drag across the timeline and release wherever you want. The selected conversion stays locked.

Midnight

3 AM

Morning

9 AM

Noon

3 PM

Evening

9 PM

JST --

MST -- --

Add-on timezones (max 5)

Drag, release, and the selected conversion stays locked.

Swap to MST to JST

Live Converter Summary

Summary for JST to MST Converter

Convert Asia/Tokyo to America/Denver and check the live local times. MST is 15h behind JST right now, and this difference updates automatically during daylight saving time.

JST Time07:02:05 AM

MST Time04:02:05 PM

Time DifferenceMST is 15h behind JST right now

TimezonesAsia/Tokyo to America/Denver

Popular Cities in JST & MST Timezone

Useful city pages connected with both converter timezones.

First Timezone - JST

JST Cities -

Tokyo Sakai Sapporo Itoman Kyoto Kobe Hiroshima Kasugai Yao Moriguchi Uji Toyonaka Kawasaki Obihiro Onomichi Otaru Maizuru Kitami Kurume Kushiro Iizuka Ichinomiya Nagoya Odawara

Second Timezone - MST

MST Cities -

Columbus Akron Syracuse Erie Aurora Glendale Naples Buffalo Elizabeth Manhattan Boulder Fort Collins Denver Colorado Springs El Paso Sparks Aspen Las Vegas Salem Springfield Mesa Sierra Twin Falls County Glendive

Convert JST to Other Timezones

Convert MST to Other Timezones

Embed JST to MST Converter

Use this iframe to embed the converter page on your website. No scanner or QR code is added here.

Embed Code

<iframe src="/timezone-converters/jst-to-mst/embed/" width="420" height="360" class="time-embed-frame" loading="lazy" title="JST to MST converter"></iframe>

Preview

About JST to MST Conversion

This converter helps users translate meeting times, publishing schedules, travel plans, and support shifts between JST and MST.

JST is resolved to Asia/Tokyo, while MST is resolved to America/Denver. The live clock above updates every second, and the custom converter lets you choose a specific date so daylight saving changes are handled by the browser timezone rules.

JST to MST Conversion Table

Half-hour examples with 12-hour and 24-hour formats. Day rows are light and night rows are dark.

Conversion	Converted Time	Daypart
12 AM JST	09:00 AM / 09:00 MST	Morning
12:30 AM JST	09:30 AM / 09:30 MST	Morning
1 AM JST	10:00 AM / 10:00 MST	Morning
1:30 AM JST	10:30 AM / 10:30 MST	Morning
2 AM JST	11:00 AM / 11:00 MST	Morning
2:30 AM JST	11:30 AM / 11:30 MST	Morning
3 AM JST	12:00 PM / 12:00 MST	Noon
3:30 AM JST	12:30 PM / 12:30 MST	Noon
4 AM JST	01:00 PM / 13:00 MST	Noon
4:30 AM JST	01:30 PM / 13:30 MST	Noon
5 AM JST	02:00 PM / 14:00 MST	Noon
5:30 AM JST	02:30 PM / 14:30 MST	Noon
6 AM JST	03:00 PM / 15:00 MST	Noon
6:30 AM JST	03:30 PM / 15:30 MST	Noon
7 AM JST	04:00 PM / 16:00 MST	Noon
7:30 AM JST	04:30 PM / 16:30 MST	Noon
8 AM JST	05:00 PM / 17:00 MST	Evening
8:30 AM JST	05:30 PM / 17:30 MST	Evening
9 AM JST	06:00 PM / 18:00 MST	Evening
9:30 AM JST	06:30 PM / 18:30 MST	Evening
10 AM JST	07:00 PM / 19:00 MST	Evening
10:30 AM JST	07:30 PM / 19:30 MST	Evening
11 AM JST	08:00 PM / 20:00 MST	Evening
11:30 AM JST	08:30 PM / 20:30 MST	Evening
12 PM JST	09:00 PM / 21:00 MST	Midnight
12:30 PM JST	09:30 PM / 21:30 MST	Midnight
1 PM JST	10:00 PM / 22:00 MST	Midnight
1:30 PM JST	10:30 PM / 22:30 MST	Midnight
2 PM JST	11:00 PM / 23:00 MST	Midnight
2:30 PM JST	11:30 PM / 23:30 MST	Midnight
3 PM JST	12:00 AM / 00:00 MST	Midnight
3:30 PM JST	12:30 AM / 00:30 MST	Midnight
4 PM JST	01:00 AM / 01:00 MST	Midnight
4:30 PM JST	01:30 AM / 01:30 MST	Midnight
5 PM JST	02:00 AM / 02:00 MST	Midnight
5:30 PM JST	02:30 AM / 02:30 MST	Midnight
6 PM JST	03:00 AM / 03:00 MST	Midnight
6:30 PM JST	03:30 AM / 03:30 MST	Midnight
7 PM JST	04:00 AM / 04:00 MST	Midnight
7:30 PM JST	04:30 AM / 04:30 MST	Midnight
8 PM JST	05:00 AM / 05:00 MST	Morning
8:30 PM JST	05:30 AM / 05:30 MST	Morning
9 PM JST	06:00 AM / 06:00 MST	Morning
9:30 PM JST	06:30 AM / 06:30 MST	Morning
10 PM JST	07:00 AM / 07:00 MST	Morning
10:30 PM JST	07:30 AM / 07:30 MST	Morning
11 PM JST	08:00 AM / 08:00 MST	Morning
11:30 PM JST	08:30 AM / 08:30 MST	Morning