Tokyo to Rockville time converter

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

Tokyo JST

Tuesday, October 20, 2026

Rockville EDT

Tuesday, October 20, 2026

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

Tokyo to Rockville conversion table

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

TokyoRockville
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 Rockville): 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 Rockville 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 Rockville are 10,881 km (6,761 miles) apart in a straight line.

More conversions

Rockville 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 RockvilleLondon to RockvilleLos Angeles to RockvilleChicago to RockvilleToronto to RockvilleSão Paulo to RockvilleParis to RockvilleBerlin to RockvilleMoscow to RockvilleDubai to RockvilleNew Delhi to RockvilleBangkok to Rockville

Questions and answers

What is the time difference between Tokyo and Rockville?

Rockville is 13 hours behind Tokyo.

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

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

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

Does the time difference between Tokyo and Rockville change?

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