Seoul vs Tokyo

Live time comparison and meeting-hour overlap between Seoul, South Korea and Tokyo, Japan.

Seoul
South Korea
GMT+9 · UTC+09:00 · 04:32
Tokyo
Japan
GMT+9 · UTC+09:00 · 04:32

Seoul and Tokyo are currently in the same UTC offset.

If your workday in Seoul runs 9:00 AM to 5:00 PM, the corresponding window in Tokyo can be read directly from the conversion table below — overlapping rows are highlighted.

Neither city observes daylight saving time, so this offset is fixed year-round.

Hour-by-hour conversion

Each row shows the same instant in both cities. Rows where standard business hours (9:00–17:00) overlap in both locations are highlighted — these are the best windows to schedule meetings.

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

We'll add both cities to your grid so you can scrub through the day.

Compare Seoul & Tokyo in TZGrid

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Frequently asked questions

What is the time difference between Seoul and Tokyo?
Tokyo and Seoul are currently in the same timezone offset.
When do business hours overlap between Seoul and Tokyo?
Use the conversion table on this page to find the overlap window. As a rule of thumb, look for the rows where both cities show times between 9:00 and 17:00 — those are the hours when teams in both locations are typically working at the same time.
Do Seoul and Tokyo observe daylight saving time?
Neither Seoul nor Tokyo observes daylight saving time, so the offset between them is fixed year-round.
How can I quickly convert a meeting time between Seoul and Tokyo?
Open TZGrid to add both cities to a live grid, then drag or click the hour to scrub through the day and see how times line up across both locations.