Seongnam-si to Tokyo time converter

Seongnam-si and Tokyo are on the same time. When it is 9:00 AM in Seongnam-si, it is 9:00 AM in Tokyo.

Seongnam-si KST

Saturday, October 17, 2026

Tokyo JST

Saturday, October 17, 2026

Seongnam-si
South Korea
Sat, Oct 17
KSTUTC+9
Tokyo
Japan
Sat, Oct 17
JSTUTC+9±0
Finding your time zone…
Shared working hours (9:00–18:00)

Seongnam-si to Tokyo conversion table

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

Seongnam-siTokyo
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 Seongnam-si (9:00 AM – 6:00 PM in Tokyo).

Daylight saving time and the difference

The difference stays 0 hours all year.

Distance

Seongnam-si and Tokyo are 1,137 km (706 miles) apart in a straight line.

More conversions

Tokyo to Seongnam-siSeongnam-si to New YorkSeongnam-si to LondonSeongnam-si to Los AngelesSeongnam-si to ChicagoSeongnam-si to TorontoSeongnam-si to São PauloSeongnam-si to ParisSeongnam-si to BerlinSeongnam-si to MoscowSeongnam-si to DubaiSeongnam-si to New DelhiSeongnam-si 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 Seongnam-si and Tokyo?

Seongnam-si and Tokyo are on the same time.

What time is it in Tokyo when it is 9 AM in Seongnam-si?

When it is 9:00 AM in Seongnam-si, it is 9:00 AM in Tokyo.

When is the best time to call Tokyo from Seongnam-si?

Both sides are at work from 9:00 AM – 6:00 PM in Seongnam-si (9:00 AM – 6:00 PM in Tokyo).

Does the time difference between Seongnam-si and Tokyo change?

No. The difference stays 0 hours all year.