Tokyo to Saint Charles time converter

Saint Charles is 13 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 8:00 PM (Wed, Oct 21) in Saint Charles.

Tokyo JST

Thursday, October 22, 2026

Saint Charles EDT

Wednesday, October 21, 2026

Tokyo
Japan
Thu, Oct 22
JSTUTC+9
Saint Charles
Maryland, United States
Wed, Oct 21
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Saint Charles conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Tokyo (8:00 PM – 10:00 PM in Saint Charles): 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 Saint Charles switch clocks on different dates:

  • Oct 22, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 22, 2027: -13h

Distance

Tokyo and Saint Charles are 10,937 km (6,796 miles) apart in a straight line.

More conversions

Saint Charles 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 Saint CharlesLondon to Saint CharlesLos Angeles to Saint CharlesChicago to Saint CharlesToronto to Saint CharlesSão Paulo to Saint CharlesParis to Saint CharlesBerlin to Saint CharlesMoscow to Saint CharlesDubai to Saint CharlesNew Delhi to Saint CharlesBangkok to Saint Charles

Questions and answers

What is the time difference between Tokyo and Saint Charles?

Saint Charles is 13 hours behind Tokyo.

What time is it in Saint Charles when it is 9 AM in Tokyo?

When it is 9:00 AM in Tokyo, it is 8:00 PM (Wed, Oct 21) in Saint Charles.

When is the best time to call Saint Charles from Tokyo?

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Tokyo (8:00 PM – 10:00 PM in Saint Charles): working hours on one side, early or late on the other.

Does the time difference between Tokyo and Saint Charles change?

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