Time Difference Between Seoul and Hong Kong

The time difference between Seoul and Hong Kong is 1 hour. When it is 12:00 noon in Seoul, it is 11:00 in Hong Kong. Seoul uses the Asia/Seoul time zone (UTC+9), while Hong Kong uses Asia/Hong_Kong (UTC+8).

Hong Kong is 1 hour behind Seoul — 1 hour
Seoul, South Korea
07:25:40
Friday, March 27, 2026
UTC+9 · KST
Hong Kong, Hong Kong
06:25:40
Friday, March 27, 2026
UTC+8 · HKT

Time Zone Details: Seoul vs Hong Kong

Detail Seoul Hong Kong
Time Zone IDAsia/SeoulAsia/Hong_Kong
UTC OffsetUTC+9UTC+8
AbbreviationKSTHKT
DST ActiveNoNo
CountrySouth KoreaHong Kong
RegionAsiaAsia

Best Time to Schedule a Call

There are 7 overlapping business hours between Seoul and Hong Kong (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

10:00–17:00 in Seoul  =  09:00–16:00 in Hong Kong

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Seoul time to Hong Kong time. Rows highlighted in green indicate overlapping business hours in both cities.

Seoul Hong Kong
00:00 23:00 (-1 day) Night
01:00 00:00 Night
02:00 01:00 Night
03:00 02:00 Night
04:00 03:00 Night
05:00 04:00 Night
06:00 05:00
07:00 06:00
08:00 07:00
09:00 08:00
10:00 09:00 Overlap
11:00 10:00 Overlap
12:00 11:00 Overlap
13:00 12:00 Overlap
14:00 13:00 Overlap
15:00 14:00 Overlap
16:00 15:00 Overlap
17:00 16:00
18:00 17:00
19:00 18:00
20:00 19:00
21:00 20:00
22:00 21:00 Night
23:00 22:00 Night

Daylight Saving Time (DST) Impact

Neither Seoul nor Hong Kong is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Seoul–Hong Kong Scheduling

Compare Seoul and Hong Kong with Other Cities

From Seoul

From Hong Kong

Frequently Asked Questions

What is the time difference between Seoul and Hong Kong?

The time difference is 1 hour. Hong Kong is 1 hour behind Seoul.

Does the time difference change during the year?

It can. If either Seoul or Hong Kong observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Seoul to Hong Kong?

The best window is between 10:00 and 17:00 Seoul time, which corresponds to 09:00–16:00 in Hong Kong. Both sides fall within normal business hours.

How do I convert Seoul time to Hong Kong time?

Subtract 1 hour from Seoul time to get Hong Kong time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.