South River to Tokyo time converter

Tokyo is 13 hours ahead of South River. When it is 9:00 AM in South River, it is 10:00 PM in Tokyo.

South River EDT

Monday, October 19, 2026

Tokyo JST

Tuesday, October 20, 2026

South River
New Jersey, United States
Mon, Oct 19
EDTUTC-4
Tokyo
Japan
Tue, Oct 20
JSTUTC+9+13h
Finding your time zone…
Shared working hours (9:00–18:00)

South River to Tokyo conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because South River and Tokyo switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: +13h
  • Nov 1, 2026 – Mar 14, 2027: +14h
  • Mar 14, 2027 – Oct 19, 2027: +13h

Distance

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

More conversions

Tokyo to South RiverSouth River to New YorkSouth River to LondonSouth River to Los AngelesSouth River to ChicagoSouth River to TorontoSouth River to São PauloSouth River to ParisSouth River to BerlinSouth River to MoscowSouth River to DubaiSouth River to New DelhiSouth River to Bangkok
New York to TokyoLondon to TokyoLos Angeles to TokyoChicago to TokyoToronto to TokyoSão Paulo to TokyoParis to TokyoBerlin to TokyoMoscow to TokyoDubai to TokyoNew Delhi to TokyoBangkok to Tokyo

Questions and answers

What is the time difference between South River and Tokyo?

Tokyo is 13 hours ahead of South River.

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

When it is 9:00 AM in South River, it is 10:00 PM in Tokyo.

When is the best time to call Tokyo from South River?

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

Does the time difference between South River and Tokyo change?

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