Seoul to Kasamatsucho time converter

Seoul and Kasamatsucho are on the same time. When it is 9:00 AM in Seoul, it is 9:00 AM in Kasamatsucho.

Seoul KST

Wednesday, October 21, 2026

Kasamatsucho JST

Wednesday, October 21, 2026

Seoul
South Korea
Wed, Oct 21
KSTUTC+9
Kasamatsucho
Japan
Wed, Oct 21
JSTUTC+9±0
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Kasamatsucho conversion table

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

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

Best time to call or meet

Both sides are at work from 9:00 AM – 6:00 PM in Seoul (9:00 AM – 6:00 PM in Kasamatsucho).

Daylight saving time and the difference

The difference stays 0 hours all year.

Distance

Seoul and Kasamatsucho are 908 km (564 miles) apart in a straight line.

More conversions

Kasamatsucho to SeoulSeoul to New YorkSeoul to LondonSeoul to Los AngelesSeoul to ChicagoSeoul to TorontoSeoul to São PauloSeoul to ParisSeoul to BerlinSeoul to MoscowSeoul to DubaiSeoul to New DelhiSeoul to Bangkok
New York to KasamatsuchoLondon to KasamatsuchoLos Angeles to KasamatsuchoChicago to KasamatsuchoToronto to KasamatsuchoSão Paulo to KasamatsuchoParis to KasamatsuchoBerlin to KasamatsuchoMoscow to KasamatsuchoDubai to KasamatsuchoNew Delhi to KasamatsuchoBangkok to Kasamatsucho

Questions and answers

What is the time difference between Seoul and Kasamatsucho?

Seoul and Kasamatsucho are on the same time.

What time is it in Kasamatsucho when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 9:00 AM in Kasamatsucho.

When is the best time to call Kasamatsucho from Seoul?

Both sides are at work from 9:00 AM – 6:00 PM in Seoul (9:00 AM – 6:00 PM in Kasamatsucho).

Does the time difference between Seoul and Kasamatsucho change?

No. The difference stays 0 hours all year.