JST to MST
Convert Japan Time — Tokyo to Mountain Time — Denver — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Tokyo, it's 6:00 PM in Denver. Denver is 15 hours behind Tokyo. Use the converter above to turn any JST time into MST, or scan the hour-by-hour table below for the full day.
JST to MST at a glance
Planning a meeting between Tokyo and Denver
Tokyo and Denver share no standard 9-to-5 overlap, so a live call usually means one side taking an early-morning or late-evening slot. The hourly table below helps you pick the least-inconvenient time for everyone.
Hour-by-hour: Tokyo to Denver
A full day mapped from JST to MST.
Frequently asked
Is Denver ahead of or behind Tokyo?
Denver is 15 hours behind Tokyo.
What is 12:00 PM JST in MST?
12:00 PM in Tokyo is 9:00 PM in Denver.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so JST and MST automatically reflect the correct daylight-saving offset for the current date.