Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between hkt and kst?
Hong Kong Time (hkt) is UTC+8 and Korea Standard Time (kst) is UTC+9. The difference between them is 1 hours.
Where is hkt used?
Hong Kong Time (hkt) is used in Hong Kong and surrounding regions. The IANA timezone identifier is Asia/Hong_Kong.
Where is kst used?
Korea Standard Time (kst) is used in South Korea and surrounding regions. The IANA timezone identifier is Asia/Seoul.
How do I convert hkt to kst?
Use the interactive converter above. Drag the time slider to any hkt time and the kst equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
HKT (Hong Kong) is 1 hour behind KST (Seoul). At noon in HKT (Hong Kong), your contact in KST (Seoul) sees 13:00.
HKT (Hong Kong) is in the Asia/Hong_Kong timezone. KST (Seoul) is in Asia/Seoul. The difference is 1 hour.
Mutual working hours
HKT (Hong Kong) and KST (Seoul) share 7 hours of overlapping business hours daily — enough for real-time collaboration without anyone joining at odd hours.
00:0006:0012:0018:0024:00
HKT (Hong Kong)
KST (Seoul)
Overlap (7h)
Recommended meeting windows
Both HKT (Hong Kong) and KST (Seoul) are in standard hours simultaneously for 7h per day. 3 recommended slots shown below.
09:00 Hong Kong / 10:00 Seoul✓ Both working
10:00 Hong Kong / 11:00 Seoul✓ Both working
11:00 Hong Kong / 12:00 Seoul✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Public holidays for both locations
⚡ Holiday alerts for both locations, double-check schedules before confirming.
HKT (Hong Kong)6 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
KST (Seoul)7 holidays
Aug 15Liberation Day
Sep 24Chuseok
Sep 25Chuseok
Sep 26Chuseok
Oct 3National Foundation Day
Scheduling between HKT (Hong Kong) and KST (Seoul)
HKT (Hong Kong) (Hong Kong) leads KST (Seoul) (South Korea) by 1 hours. Despite the gap, a 7-hour window of shared business hours each day keeps real-time collaboration practical for both sides.
💡 Scheduling tips for these locations
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09:00–10:00 in HKT (Hong Kong) = 10:00–11:00 in KST (Seoul). Both sides are in standard business hours during this window.
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10:00–11:00 in HKT (Hong Kong) = 11:00–12:00 in KST (Seoul). Both sides are in standard business hours during this window.
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11:00–12:00 in HKT (Hong Kong) = 12:00–13:00 in KST (Seoul). 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 HKT (Hong Kong). The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
