Honolulu is 12 hours behind of Brussels right now.
Brussels
Wednesday, October 14, 2026
Central European Summer Time (CEST) · UTC+2
Honolulu
Wednesday, October 14, 2026
Hawaii Time (HST) · UTC−10
Convert Brussels to Honolulu
Brussels 18:00 = Honolulu 06:00
Brussels to Honolulu time chart, hour by hour
Brussels
Honolulu
00:00
12:00 −1 day
01:00
13:00 −1 day
02:00
14:00 −1 day
03:00
15:00 −1 day
04:00
16:00 −1 day
05:00
17:00 −1 day
06:00
18:00 −1 day
07:00
19:00 −1 day
08:00
20:00 −1 day
09:00
21:00 −1 day
10:00
22:00 −1 day
11:00
23:00 −1 day
12:00
00:00
13:00
01:00
14:00
02:00
15:00
03:00
16:00
04:00
17:00
05:00
18:00
06:00
19:00
07:00
20:00
08:00
21:00
09:00
22:00
10:00
23:00
11:00
There is no overlap between 09:00–18:00 working days in these two places.
Clock changes in Brussels and Honolulu
Brussels
Central European Summer Time (CEST)
Next clock change Sun 25 Oct 2026 (UTC+2 → UTC+1)
Honolulu
Hawaii Time (HST)
No daylight saving time.
Time difference between Brussels and Honolulu today
Today Honolulu is 12 hours behind of Brussels. When it is 09:00 in Brussels, it is 21:00 in Honolulu the previous day. Brussels is on Central European Summer Time (CEST); Honolulu is on Hawaii Time (HST).
When the Brussels to Honolulu time difference changes
For most of the year Honolulu is 12 hours behind of Brussels. From 25 October to 31 December 2026, Honolulu is 11 hours behind 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
Honolulu vs Brussels
Length
29 March 2026 to 24 October 2026
12 hours behind
210 days
25 October 2026 to 31 December 2026
11 hours behind
68 days
1 January 2027 to 27 March 2027
11 hours behind
86 days
28 March 2027 to 30 October 2027
12 hours behind
217 days
31 October 2027 to 31 December 2027
11 hours behind
62 days
When Brussels and Honolulu are both at work
When Honolulu is 12 hours behind of Brussels: no shared 09:00 to 17:00 hours; try 19:00 in Brussels (07:00 in Honolulu).
When Honolulu is 11 hours behind of Brussels: no shared 09:00 to 17:00 hours; try 18:00 in Brussels (07:00 in Honolulu).
Frequently asked questions about Brussels and Honolulu time
What time is it in Honolulu when it is 9:00 AM in Brussels?
21:00 today; Honolulu is 12 hours behind of Brussels.
Does the time difference between Brussels and Honolulu change?
Yes. It is usually 12 hours behind, but changes when one side moves its clocks: 11 hours behind from 25 October to 31 December 2026; 11 hours behind from 1 January to 27 March 2027.