Tokyo to Ronkonkoma time converter

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

Tokyo JST

Tuesday, October 20, 2026

Ronkonkoma EDT

Tuesday, October 20, 2026

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

Tokyo to Ronkonkoma conversion table

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

TokyoRonkonkoma
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 Ronkonkoma): 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 Ronkonkoma 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 Ronkonkoma are 10,871 km (6,755 miles) apart in a straight line.

More conversions

Ronkonkoma 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 RonkonkomaLondon to RonkonkomaLos Angeles to RonkonkomaChicago to RonkonkomaToronto to RonkonkomaSão Paulo to RonkonkomaParis to RonkonkomaBerlin to RonkonkomaMoscow to RonkonkomaDubai to RonkonkomaNew Delhi to RonkonkomaBangkok to Ronkonkoma

Questions and answers

What is the time difference between Tokyo and Ronkonkoma?

Ronkonkoma is 13 hours behind Tokyo.

What time is it in Ronkonkoma when it is 9 AM in Tokyo?

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

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

Does the time difference between Tokyo and Ronkonkoma change?

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