Convert HKT to KST
See the 1-hour difference between Hong Kong Time and Korea Standard Time, compare working hours, and schedule events with calendar export.
How to Convert HKT to KST
Open the HKT to KST converter: Go to https://www.xconvert.com/time-converter/hkt-to-kst-converter. The page loads with Hong Kong Time and Korea Standard Time aligned on a visual 24-hour comparison grid, which is useful if you are scheduling a supplier call between Hong Kong and Seoul or checking support coverage for teams serving East Asian markets.
Add comparison cities if your schedule involves more than Hong Kong and Korea: Click “+ Add City” and search for cities such as Singapore, Tokyo, or Shanghai if you work in regional finance, electronics manufacturing, logistics, or e-commerce. This is especially practical for companies coordinating across major Asian business hubs, because Singapore and Hong Kong often overlap in banking hours, while Seoul and Tokyo are important for automotive, semiconductor, and technology operations.
Drag to select the time range you want to compare: Use the “Select” button if needed, then drag across the grid on the Hong Kong row to highlight a window such as 9:00 AM to 11:00 AM HKT; the purple selection will show the matching time in Korea as 10:00 AM to 12:00 PM KST. You can drag the center of the purple block to move the meeting later, or pull the left and right handles to resize it, which helps when testing whether a Hong Kong morning sales call still lands inside Seoul office hours.
Export the selected meeting window: Once a range is selected, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. For example, a regional operations manager can send the ICS file to teams in Hong Kong and South Korea so the meeting appears in each person’s local calendar automatically, or use the share link in Slack or email for quick approval.
Understanding the HKT to KST Time Difference
Hong Kong Time (HKT) is UTC+8, while Korea Standard Time (KST) is UTC+9. That means KST is 1 hour ahead of HKT, so when it is 9:00 AM in Hong Kong, it is 10:00 AM in South Korea. This is a small but important difference for same-day coordination, especially in industries like shipping, consumer electronics, cross-border retail, and regional banking.
The time difference between HKT and KST is stable throughout the year because neither Hong Kong nor South Korea currently observes daylight saving time. Hong Kong stays on UTC+8 in January through December, and South Korea stays on UTC+9 all year as well. As a result, the difference does not change in March, April, October, or November, unlike time conversions involving the US or Europe where DST shifts can temporarily change meeting windows.
Geographically, Hong Kong is a major international finance and logistics center on China’s south coast, with a population of roughly 7.5 million, while South Korea’s capital Seoul anchors a metropolitan region of more than 25 million people and operates on KST nationwide. Because the offset is only one hour, the HKT-to-KST conversion is straightforward for practical use cases such as booking flights between Hong Kong International Airport (HKG) and Incheon International Airport (ICN), planning market-opening calls, or coordinating handoffs between Hong Kong commercial teams and Korean manufacturing or product teams.
Best Times for Calls and Meetings Between HKT and KST
For standard office schedules, the most convenient overlap is during the Hong Kong workday from 9:00 AM to 5:00 PM HKT, which corresponds to 10:00 AM to 6:00 PM KST. This gives both sides a full shared business window without requiring early-morning or late-evening meetings, making it practical for legal reviews, procurement discussions, and regional account management.
A particularly strong meeting window is 9:00 AM to 11:00 AM HKT = 10:00 AM to 12:00 PM KST. This works well for daily standups, client updates, and distributor check-ins because it falls after the start of the day in both places and avoids lunch-hour conflicts. If a Hong Kong team wants a late-morning meeting, 11:00 AM to 12:00 PM HKT = 12:00 PM to 1:00 PM KST, which may be less ideal if Korean participants break for lunch around noon.
Another effective option is 2:00 PM to 4:00 PM HKT = 3:00 PM to 5:00 PM KST. This is often better for longer planning sessions, contract reviews, or product demos because both teams are fully into the workday, and it still ends before the typical close of business in Seoul. For example, a 3:00 PM Hong Kong meeting begins at 4:00 PM in Korea, which is still manageable for same-day follow-up.
If you need the broadest overlap for remote teams, think of the shared core hours as roughly 9:00 AM-4:00 PM HKT = 10:00 AM-5:00 PM KST. That range is especially useful for companies in trade, electronics, cosmetics, gaming, and shipping, where Hong Kong may handle regional commercial activity while Korean teams manage product, engineering, or manufacturing decisions.
Frequently Asked Questions
What is the time difference between HKT and KST?
KST is 1 hour ahead of HKT. Hong Kong runs on UTC+8, and South Korea runs on UTC+9, so if it is 1:00 PM in Hong Kong, it is 2:00 PM in Korea. Because both time zones stay fixed year-round, this 1-hour difference remains consistent in every month.
When is 9 AM HKT in KST?
9:00 AM HKT is 10:00 AM KST on the same calendar day. Since Korea is only one hour ahead, conversions are simple: just add one hour when moving from Hong Kong time to Korean time. This makes morning scheduling relatively easy for regional teams compared with cross-continental time zones.
Does the difference between HKT and KST change during DST?
No, the difference does not change during daylight saving time periods because neither Hong Kong nor South Korea currently uses DST. Hong Kong remains on UTC+8 all year, and South Korea remains on UTC+9 all year, so the offset stays at 1 hour in spring, summer, autumn, and winter. This is helpful for recurring meetings because you do not need to adjust calendars seasonally.
What is the best meeting time between HKT and KST?
The best meeting times are usually during 9:00 AM-11:00 AM HKT, which equals 10:00 AM-12:00 PM KST, or 2:00 PM-4:00 PM HKT, which equals 3:00 PM-5:00 PM KST. These windows fit normal office hours in both places and avoid the earliest morning period in Korea. They are particularly suitable for finance calls, sourcing discussions, and project updates between Hong Kong and Seoul.
Is HKT the same as China time, and does that affect KST conversion?
Hong Kong Time is UTC+8, which matches the UTC offset used by China Standard Time (CST) in mainland China, so Hong Kong and cities like Shanghai and Beijing are usually on the same clock time. That means the conversion from Hong Kong to Korea is also effectively the same as from mainland China time to Korea: KST is 1 hour ahead. This is useful for businesses comparing schedules across Hong Kong, Shenzhen, Shanghai, and Seoul.
Is there a date change when converting HKT to KST?
Usually, there is no date change for normal daytime hours because KST is only one hour ahead of HKT. However, near midnight, the calendar can roll over: for example, 11:30 PM HKT becomes 12:30 AM KST the next day. This matters for overnight operations, late flight arrivals, and timestamping cross-border transactions.
How do I quickly convert HKT to KST for a business call?
The fastest rule is to add 1 hour to Hong Kong time. For example, 8:30 AM HKT = 9:30 AM KST, 1:00 PM HKT = 2:00 PM KST, and 6:00 PM HKT = 7:00 PM KST. On the https://www.xconvert.com grid, you can visually drag across Hong Kong business hours and immediately see whether the Korean side remains inside standard office time.