Seoul is 1 hour ahead of Hong Kong. Midday in Seoul lines up with 11:00 in Hong Kong.
Seoul observes Asia/Seoul and Hong Kong observes Asia/Hong_Kong — a 1 hour gap between them.
Shared working hours
There is a 7-hour window each day where both Seoul and Hong Kong are within standard business hours (09:00–17:00).
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Seoul
Hong Kong
Overlap (7h)
Optimal meeting slots
Seoul and Hong Kong share 7 hours of business hours overlap daily. Showing the 3 most balanced slots — see the time table below for the full window.
10:00 Seoul / 09:00 Hong Kong✓ Both working
11:00 Seoul / 10:00 Hong Kong✓ Both working
12:00 Seoul / 11:00 Hong Kong✓ Both working
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Upcoming public holidays
⚡ Watch out — upcoming holidays on both sides. Verify availability in advance.
Seoul7 holidays
Aug 15Liberation Day
Sep 24Chuseok
Sep 25Chuseok
Sep 26Chuseok
Oct 3National Foundation Day
Hong Kong6 holidays
Jul 1Hong Kong Special Administrative Region Establishment DaySOON
Sep 26Day following the Mid-Autumn Festival
Oct 1National Day
Oct 19Chung Yeung Festival
Dec 25Christmas Day
How to work with Seoul and Hong Kong time zones
Coordinating between Seoul (South Korea) and Hong Kong (Hong Kong) means working around a 1-hour time difference. The 7-hour overlap window gives both teams a natural slot for real-time collaboration without anyone working outside normal hours.
💡 How to schedule across these time zones
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Schedule at 10:00–11:00 (Seoul) for a 09:00–10:00 slot in Hong Kong — the sweet spot where both teams are working.
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Schedule at 11:00–12:00 (Seoul) for a 10:00–11:00 slot in Hong Kong — the sweet spot where both teams are working.
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Schedule at 12:00–13:00 (Seoul) for a 11:00–12:00 slot in Hong Kong — the sweet spot where both teams are working.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any Seoul time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
