Highlighted rows fall within 09:00–18:00 in both places: 2 shared working hours.
Clock changes in Brussels and Seoul
Brussels
Central European Summer Time (CEST)
Next clock change Sun 25 Oct 2026 (UTC+2 → UTC+1)
Seoul
Korean Standard Time (KST)
No daylight saving time.
Time difference between Brussels and Seoul today
At this moment Seoul is 7 hours ahead of Brussels. When it is 09:00 in Brussels, it is 16:00 in Seoul. Brussels is on Central European Summer Time (CEST); Seoul is on Korean Standard Time (KST).
When the Brussels to Seoul time difference changes
For most of the year Seoul is 7 hours ahead of Brussels. From 25 October to 31 December 2026, Seoul is 8 hours ahead of Brussels instead, because the two places change their clocks on different dates. Meetings booked by the usual gap land an hour off in those weeks.
Dates
Seoul vs Brussels
Length
29 March 2026 to 24 October 2026
7 hours ahead
210 days
25 October 2026 to 31 December 2026
8 hours ahead
68 days
1 January 2027 to 27 March 2027
8 hours ahead
86 days
28 March 2027 to 30 October 2027
7 hours ahead
217 days
31 October 2027 to 31 December 2027
8 hours ahead
62 days
Calling hours for Brussels and Seoul
When Seoul is 7 hours ahead of Brussels: 1 shared office hour, 09:00 to 10:00 in Brussels (16:00 to 17:00 in Seoul).
When Seoul is 8 hours ahead of Brussels: no shared 09:00 to 17:00 hours; try 09:00 in Brussels (17:00 in Seoul).
Frequently asked questions about Brussels and Seoul time
What time is it in Seoul when it is 9:00 AM in Brussels?
16:00 today; Seoul is 7 hours ahead of Brussels.
Does the time difference between Brussels and Seoul change?
Yes. It is usually 7 hours ahead, but changes when one side moves its clocks: 8 hours ahead from 25 October to 31 December 2026; 8 hours ahead from 1 January to 27 March 2027.