New York to Kosai time converter

Kosai is 13 hours ahead of New York. When it is 9:00 AM in New York, it is 10:00 PM in Kosai.

New York EDT

Monday, October 19, 2026

Kosai JST

Tuesday, October 20, 2026

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

New York to Kosai conversion table

Every hour of today in New York and the matching time in Kosai. Light rows are typical working hours (9:00–18:00).

New YorkKosai
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 New York (9:00 AM – 11:00 AM in Kosai): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because New York and Kosai 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

New York and Kosai are 11,030 km (6,854 miles) apart in a straight line.

More conversions

Kosai to New YorkNew York to LondonNew York to Los AngelesNew York to ChicagoNew York to TorontoNew York to São PauloNew York to ParisNew York to BerlinNew York to MoscowNew York to DubaiNew York to New DelhiNew York to BangkokNew York to Singapore
London to KosaiLos Angeles to KosaiChicago to KosaiToronto to KosaiSão Paulo to KosaiParis to KosaiBerlin to KosaiMoscow to KosaiDubai to KosaiNew Delhi to KosaiBangkok to KosaiSingapore to Kosai

Questions and answers

What is the time difference between New York and Kosai?

Kosai is 13 hours ahead of New York.

What time is it in Kosai when it is 9 AM in New York?

When it is 9:00 AM in New York, it is 10:00 PM in Kosai.

When is the best time to call Kosai from New York?

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

Does the time difference between New York and Kosai change?

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