Seoul is 1 hour ahead of Singapore. When Seoul clocks hit noon, Singapore reads 11:00.
Seoul observes Asia/Seoul and Singapore observes Asia/Singapore — a 1 hour gap between them.
Mutual working hours
Every working day, Seoul and Singapore are both in business hours for 7 hours simultaneously.
00:0006:0012:0018:0024:00
Seoul
Singapore
Overlap (7h)
Optimal meeting slots
Seoul and Singapore 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 Singapore✓ Both working
11:00 Seoul / 10:00 Singapore✓ Both working
12:00 Seoul / 11:00 Singapore✓ Both working
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
Seoul7 holidays
Aug 15Liberation Day
Sep 24Chuseok
Sep 25Chuseok
Sep 26Chuseok
Oct 3National Foundation Day
Singapore3 holidays
Aug 10National Day
Nov 9Deepavali
Dec 25Christmas Day
Working across Seoul and Singapore
Coordinating between Seoul (South Korea) and Singapore (Singapore) 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.
💡 Best practice for cross-timezone meetings
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Schedule at 10:00–11:00 (Seoul) for a 09:00–10:00 slot in Singapore — 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 Singapore — 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 Singapore — 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.
