Tokyo to Constanţa time converter

Constanţa is 6 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 3:00 AM in Constanţa.

Tokyo JST

Saturday, October 17, 2026

Constanţa EEST

Saturday, October 17, 2026

Tokyo
Japan
Sat, Oct 17
JSTUTC+9
Constanţa
Romania
Sat, Oct 17
EESTUTC+3-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Constanţa conversion table

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

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

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in Tokyo (9:00 AM – 12:00 PM in Constanţa).

Daylight saving time and the difference

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

  • Oct 17, 2026 – Oct 25, 2026: -6h
  • Oct 25, 2026 – Mar 28, 2027: -7h
  • Mar 28, 2027 – Oct 17, 2027: -6h

Distance

Tokyo and Constanţa are 8,742 km (5,432 miles) apart in a straight line.

More conversions

Constanţa 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 ConstanţaLondon to ConstanţaLos Angeles to ConstanţaChicago to ConstanţaToronto to ConstanţaSão Paulo to ConstanţaParis to ConstanţaBerlin to ConstanţaMoscow to ConstanţaDubai to ConstanţaNew Delhi to ConstanţaBangkok to Constanţa

Questions and answers

What is the time difference between Tokyo and Constanţa?

Constanţa is 6 hours behind Tokyo.

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

When it is 9:00 AM in Tokyo, it is 3:00 AM in Constanţa.

When is the best time to call Constanţa from Tokyo?

Both sides are at work from 3:00 PM – 6:00 PM in Tokyo (9:00 AM – 12:00 PM in Constanţa).

Does the time difference between Tokyo and Constanţa change?

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