Potomac to Tokyo time converter

Tokyo is 13 hours ahead of Potomac. When it is 9:00 AM in Potomac, it is 10:00 PM in Tokyo.

Potomac EDT

Sunday, October 18, 2026

Tokyo JST

Sunday, October 18, 2026

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

Potomac to Tokyo conversion table

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

PotomacTokyo
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 Potomac (9:00 AM – 11:00 AM in Tokyo): working hours on one side, early or late on the other.

Daylight saving time and the difference

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

  • Oct 18, 2026 – Nov 1, 2026: +13h
  • Nov 1, 2026 – Mar 14, 2027: +14h
  • Mar 14, 2027 – Oct 18, 2027: +13h

Distance

Potomac and Tokyo are 10,885 km (6,764 miles) apart in a straight line.

More conversions

Tokyo to PotomacPotomac to New YorkPotomac to LondonPotomac to Los AngelesPotomac to ChicagoPotomac to TorontoPotomac to São PauloPotomac to ParisPotomac to BerlinPotomac to MoscowPotomac to DubaiPotomac to New DelhiPotomac to Bangkok
New York to TokyoLondon to TokyoLos Angeles to TokyoChicago to TokyoToronto to TokyoSão Paulo to TokyoParis to TokyoBerlin to TokyoMoscow to TokyoDubai to TokyoNew Delhi to TokyoBangkok to Tokyo

Questions and answers

What is the time difference between Potomac and Tokyo?

Tokyo is 13 hours ahead of Potomac.

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

When it is 9:00 AM in Potomac, it is 10:00 PM in Tokyo.

When is the best time to call Tokyo from Potomac?

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

Does the time difference between Potomac and Tokyo change?

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