Tokyo to O'Fallon time converter

O'Fallon is 14 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 7:00 PM (Tue, Oct 20) in O'Fallon.

Tokyo JST

Wednesday, October 21, 2026

O'Fallon CDT

Tuesday, October 20, 2026

Tokyo
Japan
Wed, Oct 21
JSTUTC+9
O'Fallon
Illinois, United States
Tue, Oct 20
CDTUTC-5-14h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to O'Fallon conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Tokyo (5:00 PM – 6:00 PM in O'Fallon): 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 O'Fallon switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -14h
  • Nov 1, 2026 – Mar 14, 2027: -15h
  • Mar 14, 2027 – Oct 21, 2027: -14h

Distance

Tokyo and O'Fallon are 10,310 km (6,406 miles) apart in a straight line.

More conversions

O'Fallon to TokyoTokyo to New YorkTokyo to LondonTokyo to Los AngelesTokyo to ChicagoTokyo to TorontoTokyo to São PauloTokyo to ParisTokyo to BerlinTokyo to MoscowTokyo to DubaiTokyo to New DelhiTokyo to Bangkok
New York to O'FallonLondon to O'FallonLos Angeles to O'FallonChicago to O'FallonToronto to O'FallonSão Paulo to O'FallonParis to O'FallonBerlin to O'FallonMoscow to O'FallonDubai to O'FallonNew Delhi to O'FallonBangkok to O'Fallon

Questions and answers

What is the time difference between Tokyo and O'Fallon?

O'Fallon is 14 hours behind Tokyo.

What time is it in O'Fallon when it is 9 AM in Tokyo?

When it is 9:00 AM in Tokyo, it is 7:00 PM (Tue, Oct 20) in O'Fallon.

When is the best time to call O'Fallon from Tokyo?

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Tokyo (5:00 PM – 6:00 PM in O'Fallon): working hours on one side, early or late on the other.

Does the time difference between Tokyo and O'Fallon change?

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