Seoul vs Sydney

Live time comparison and meeting-hour overlap between Seoul, South Korea and Sydney, Australia.

Seoul
South Korea
GMT+9 · UTC+09:00 · 04:32
Sydney
Australia
GMT+10 · UTC+10:00 · 05:32

Sydney is 1 hour ahead of Seoul.

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

Sydney observes daylight saving time but the other city does not, so the gap shifts by an hour during the DST window.

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.

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

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

Compare Seoul & Sydney in TZGrid

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Frequently asked questions

What is the time difference between Seoul and Sydney?
Sydney is 1 hour ahead of Seoul.
When do business hours overlap between Seoul and Sydney?
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 Sydney observe daylight saving time?
Sydney observes daylight saving time but the other city does not, so the time difference shifts by an hour during the DST window.
How can I quickly convert a meeting time between Seoul and Sydney?
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.