Timetate
A world clock on a live 3D globe. Put Sydney and Seoul on it side by side.
🇦🇺 Sydney (UTC+10) · 🇰🇷 Seoul (UTC+9) · 1 hour difference — Sydney is ahead
Best Time to Meet
🇦🇺 10:00–17:00 in Sydney = 🇰🇷 09:00–16:00 in Seoul7 hours of overlap within standard business hours (09:00–17:00)
24-Hour Schedule
| City | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 🇦🇺 Sydney | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 |
| 🇰🇷 Seoul | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 |
Quick Reference
Add more cities, find the best slot, and export to Google Calendar — all for free.
Open Meeting Planner →Both cities run on finance, so most calls between Sydney and Seoul are between people in the same trade. Sydney runs 1 hour ahead of Seoul.
Both cities work Monday to Friday, Sydney typically 09:00–17:30 and Seoul 09:00–18:00 local time. On the Sydney side the dates that break a schedule are Australia Day (26 January) and Anzac Day (25 April); on the Seoul side, Seollal (three days around Lunar New Year, January or February) and Chuseok (three days in September or October). Replies slow in Sydney during Christmas to the end of January, the summer holidays and in Seoul during Chuseok.
Book between 10:00–17:00 in Sydney (09:00–16:00 in Seoul); 7 hours of overlap means neither side takes the call early or late. Only Sydney changes its clocks, so the gap shifts by an hour twice a year while Seoul stays put.
Sydney is 1 hour ahead of Seoul. The gap changes by an hour around the clock changes.
10:00–17:00 Sydney time, which is 09:00–16:00 in Seoul — the 7-hour stretch when both are inside 09:00–17:00.
Only Sydney does. The gap shifts by an hour twice a year while Seoul stays on the same offset.
The ones that most often surprise the other side are Australia Day (26 January) and Anzac Day (25 April) in Sydney and Seollal (three days around Lunar New Year, January or February) and Chuseok (three days in September or October) in Seoul.
Explore city time zones
Times on this page were calculated on .