Time Difference: Seoul vs Tokyo

Live comparison of current time in Seoul, South Korea and Tokyo, Japan.

Seoul, South Korea
04:05:01PM
Friday, March 27, 2026
Same time
Tokyo, Japan
04:05:01PM
Friday, March 27, 2026

Hour-by-Hour Comparison

SeoulTokyo
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

About Time Difference: Seoul and Tokyo

Seoul, South Korea is in the Asia/Seoul timezone with a UTC offset of UTC+9. Tokyo, Japan is in the Asia/Tokyo timezone with a UTC offset of UTC+9. The hour-by-hour table above shows when working hours overlap, helping you find the best time for calls, meetings, and collaboration.

Frequently Asked Questions

What is the time difference between Seoul and Tokyo?

Seoul uses the Asia/Seoul timezone (UTC+9) and Tokyo uses the Asia/Tokyo timezone (UTC+9). The exact difference may vary during daylight saving transitions.

When is the best time to call from Seoul to Tokyo?

Look for hours highlighted in green in the comparison table above — these are times when both cities are within standard working hours (9 AM - 5 PM).

Does the time difference change?

Yes, if either city observes daylight saving time, the difference can shift by 1 hour during DST transitions. This page always shows the current, live difference.