Tokyo to Idaho Falls time converter

Idaho Falls is 15 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 6:00 PM (Mon, Oct 19) in Idaho Falls.

Tokyo JST

Tuesday, October 20, 2026

Idaho Falls MDT

Tuesday, October 20, 2026

Tokyo
Japan
Tue, Oct 20
JSTUTC+9
Idaho Falls
Idaho, United States
Tue, Oct 20
MDTUTC-6-15h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Idaho Falls conversion table

Every hour of today in Tokyo and the matching time in Idaho Falls. Light rows are typical working hours (9:00–18:00).

TokyoIdaho Falls
12:00 AM9:00 AM−1 day
1:00 AM10:00 AM−1 day
2:00 AM11:00 AM−1 day
3:00 AM12:00 PM−1 day
4:00 AM1:00 PM−1 day
5:00 AM2:00 PM−1 day
6:00 AM3:00 PM−1 day
7:00 AM4:00 PM−1 day
8:00 AM5:00 PM−1 day
9:00 AM6:00 PM−1 day
10:00 AM7:00 PM−1 day
11:00 AM8:00 PM−1 day
12:00 PM9:00 PM−1 day
1:00 PM10:00 PM−1 day
2:00 PM11:00 PM−1 day
3:00 PM12:00 AM
4:00 PM1:00 AM
5:00 PM2:00 AM
6:00 PM3:00 AM
7:00 PM4:00 AM
8:00 PM5:00 AM
9:00 PM6:00 AM
10:00 PM7:00 AM
11:00 PM8:00 AM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Tokyo (4:00 PM – 6:00 PM in Idaho Falls): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Tokyo and Idaho Falls switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -15h
  • Nov 1, 2026 – Mar 14, 2027: -16h
  • Mar 14, 2027 – Oct 20, 2027: -15h

Distance

Tokyo and Idaho Falls are 8,617 km (5,354 miles) apart in a straight line.

More conversions

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New York to Idaho FallsLondon to Idaho FallsLos Angeles to Idaho FallsChicago to Idaho FallsToronto to Idaho FallsSão Paulo to Idaho FallsParis to Idaho FallsBerlin to Idaho FallsMoscow to Idaho FallsDubai to Idaho FallsNew Delhi to Idaho FallsBangkok to Idaho Falls

Questions and answers

What is the time difference between Tokyo and Idaho Falls?

Idaho Falls is 15 hours behind Tokyo.

What time is it in Idaho Falls when it is 9 AM in Tokyo?

When it is 9:00 AM in Tokyo, it is 6:00 PM (Mon, Oct 19) in Idaho Falls.

When is the best time to call Idaho Falls from Tokyo?

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Tokyo (4:00 PM – 6:00 PM in Idaho Falls): working hours on one side, early or late on the other.

Does the time difference between Tokyo and Idaho Falls change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.