Tokyo to South River time converter

South River is 13 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 8:00 PM (Mon, Oct 19) in South River.

Tokyo JST

Tuesday, October 20, 2026

South River EDT

Tuesday, October 20, 2026

Tokyo
Japan
Tue, Oct 20
JSTUTC+9
South River
New Jersey, United States
Tue, Oct 20
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to South River conversion table

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

TokyoSouth River
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 South River): 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 South River switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 20, 2027: -13h

Distance

Tokyo and South River are 10,861 km (6,749 miles) apart in a straight line.

More conversions

South River 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 South RiverLondon to South RiverLos Angeles to South RiverChicago to South RiverToronto to South RiverSão Paulo to South RiverParis to South RiverBerlin to South RiverMoscow to South RiverDubai to South RiverNew Delhi to South RiverBangkok to South River

Questions and answers

What is the time difference between Tokyo and South River?

South River is 13 hours behind Tokyo.

What time is it in South River when it is 9 AM in Tokyo?

When it is 9:00 AM in Tokyo, it is 8:00 PM (Mon, Oct 19) in South River.

When is the best time to call South River 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 South River): working hours on one side, early or late on the other.

Does the time difference between Tokyo and South River change?

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