Tokyo to Riom time converter

Riom is 7 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 2:00 AM in Riom.

Tokyo JST

Sunday, October 18, 2026

Riom CEST

Saturday, October 17, 2026

Tokyo
Japan
Sun, Oct 18
JSTUTC+9
Riom
France
Sat, Oct 17
CESTUTC+2-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Riom conversion table

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

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

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in Tokyo (9:00 AM – 11:00 AM in Riom).

Daylight saving time and the difference

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

  • Oct 18, 2026 – Oct 25, 2026: -7h
  • Oct 25, 2026 – Mar 28, 2027: -8h
  • Mar 28, 2027 – Oct 18, 2027: -7h

Distance

Tokyo and Riom are 9,954 km (6,185 miles) apart in a straight line.

More conversions

Riom 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 RiomLondon to RiomLos Angeles to RiomChicago to RiomToronto to RiomSão Paulo to RiomParis to RiomBerlin to RiomMoscow to RiomDubai to RiomNew Delhi to RiomBangkok to Riom

Questions and answers

What is the time difference between Tokyo and Riom?

Riom is 7 hours behind Tokyo.

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

When it is 9:00 AM in Tokyo, it is 2:00 AM in Riom.

When is the best time to call Riom from Tokyo?

Both sides are at work from 4:00 PM – 6:00 PM in Tokyo (9:00 AM – 11:00 AM in Riom).

Does the time difference between Tokyo and Riom change?

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