South Korea is 1 hour ahead of China. When South Korea clocks hit noon, China reads 11:00.
South Korea is in the Asia/Seoul timezone. China is in Asia/Shanghai. The difference is 1 hour.
Daily overlap window
Every working day, South Korea and China are both in business hours for 7 hours simultaneously.
00:0006:0012:0018:0024:00
South Korea
China
Overlap (7h)
When to schedule across time zones
Both South Korea and China are in standard hours simultaneously for 7h per day. 3 recommended slots shown below.
10:00 Seoul / 09:00 Beijing✓ Both working
11:00 Seoul / 10:00 Beijing✓ Both working
12:00 Seoul / 11:00 Beijing✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Holiday calendar for both locations
⚡ Both locations have upcoming holidays, check availability before scheduling.
South Korea7 holidays
Aug 15Liberation Day
Sep 24Chuseok
Sep 25Chuseok
Sep 26Chuseok
Oct 3National Foundation Day
China2 holidays
Sep 25Mid-Autumn Festival
Oct 1National Day
Working across South Korea and China
Working across South Korea (South Korea) and China (China) involves a 1-hour gap. The good news: there is a 7-hour mutual window in standard business hours that lets both sides collaborate without anyone joining at an unreasonable hour.
💡 Best practice for cross-timezone meetings
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10:00–11:00 in South Korea = 09:00–10:00 in China. Both sides are in standard business hours during this window.
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11:00–12:00 in South Korea = 10:00–11:00 in China. Both sides are in standard business hours during this window.
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12:00–13:00 in South Korea = 11:00–12:00 in China. Both sides are in standard business hours during this window.
DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.
Use the time slider above to find the exact equivalent time for any moment in South Korea. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
