Time zone meeting planner
Seoul and Sydney: plan a meeting across time zones
Seoul and Sydney are 1 hours apart (Sydney ahead). See the best meeting time, upcoming holidays and clock-change dates for both.
The time difference
For most of the year, Sydney is 1 hours ahead of Seoul. That gap does not hold all year — here is how it actually moves:
- 1 January to 4 April: Sydney is 2 hours ahead of Seoul
- 5 April to 3 October: Sydney is 1 hours ahead of Seoul
- 4 October to 31 December: Sydney is 2 hours ahead of Seoul
Best time to meet
A one-hour meeting starting around 9 AM in Seoul lands at 10 AM in Sydney — inside normal working hours (9 AM–5 PM) for both sides.
Clock changes to plan around
- Seoul does not change clocks.
- Sydney changes clocks — 2026: 5 April and 4 October; 2027: 4 April and 3 October.
Upcoming public holidays
- 24 September — Seoul: The day preceding Chuseok
- 25 September — Seoul: Chuseok
- 26 September — Seoul: The second day of Chuseok
- 3 October — Seoul: National Foundation Day
- 25 December — Sydney: Christmas Day
- 26 December — Sydney: Boxing Day
- 1 January 2027 — Sydney: New Year's Day
- 26 January 2027 — Sydney: Australia Day
Holiday data uses country-level public calendars and may miss regional observances or company shutdowns — confirm with your participant if the date matters.
Questions about Seoul and Sydney
What time is it in Sydney when it is 9 AM in Seoul?
For most of the year, 9 AM in Seoul is 10 AM in Sydney (UTC+9 against UTC+10). During the weeks listed above when the gap shifts, it moves by an hour. Open the planner for a specific date.
Does Seoul or Sydney change clocks first?
Seoul does not observe daylight saving time; Sydney does, so the gap shifts when Sydney changes clocks.
Is there a public holiday in Seoul or Sydney soon?
Seoul: The day preceding Chuseok on 24 September. Sydney: Christmas Day on 25 December.