Brussels to Costa Mesa time converter

Costa Mesa is 9 hours behind Brussels. When it is 9:00 AM in Brussels, it is 12:00 AM in Costa Mesa.

Brussels CEST

Monday, October 19, 2026

Costa Mesa PDT

Monday, October 19, 2026

Brussels
Belgium
Mon, Oct 19
CESTUTC+2
Costa Mesa
California, United States
Mon, Oct 19
PDTUTC-7-9h
Finding your time zone…
Shared working hours (9:00–18:00)

Brussels to Costa Mesa conversion table

Every hour of today in Brussels and the matching time in Costa Mesa. Light rows are typical working hours (9:00–18:00).

BrusselsCosta Mesa
12:00 AM3:00 PM−1 day
1:00 AM4:00 PM−1 day
2:00 AM5:00 PM−1 day
3:00 AM6:00 PM−1 day
4:00 AM7:00 PM−1 day
5:00 AM8:00 PM−1 day
6:00 AM9:00 PM−1 day
7:00 AM10:00 PM−1 day
8:00 AM11:00 PM−1 day
9:00 AM12:00 AM
10:00 AM1:00 AM
11:00 AM2:00 AM
12:00 PM3:00 AM
1:00 PM4:00 AM
2:00 PM5:00 AM
3:00 PM6:00 AM
4:00 PM7:00 AM
5:00 PM8:00 AM
6:00 PM9:00 AM
7:00 PM10:00 AM
8:00 PM11:00 AM
9:00 PM12:00 PM
10:00 PM1:00 PM
11:00 PM2:00 PM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Brussels (7:00 AM – 9:00 AM in Costa Mesa): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Brussels and Costa Mesa switch clocks on different dates:

  • Oct 19, 2026 – Oct 25, 2026: -9h
  • Oct 25, 2026 – Nov 1, 2026: -8h
  • Nov 1, 2026 – Mar 14, 2027: -9h
  • Mar 14, 2027 – Mar 28, 2027: -8h
  • Mar 28, 2027 – Oct 19, 2027: -9h

Distance

Brussels and Costa Mesa are 9,055 km (5,627 miles) apart in a straight line.

More conversions

Costa Mesa to BrusselsBrussels to New YorkBrussels to LondonBrussels to Los AngelesBrussels to ChicagoBrussels to TorontoBrussels to São PauloBrussels to ParisBrussels to BerlinBrussels to MoscowBrussels to DubaiBrussels to New DelhiBrussels to Bangkok
New York to Costa MesaLondon to Costa MesaLos Angeles to Costa MesaChicago to Costa MesaToronto to Costa MesaSão Paulo to Costa MesaParis to Costa MesaBerlin to Costa MesaMoscow to Costa MesaDubai to Costa MesaNew Delhi to Costa MesaBangkok to Costa Mesa

Questions and answers

What is the time difference between Brussels and Costa Mesa?

Costa Mesa is 9 hours behind Brussels.

What time is it in Costa Mesa when it is 9 AM in Brussels?

When it is 9:00 AM in Brussels, it is 12:00 AM in Costa Mesa.

When is the best time to call Costa Mesa from Brussels?

Working hours don't overlap fully. The closest fit is 4:00 PM – 6:00 PM in Brussels (7:00 AM – 9:00 AM in Costa Mesa): working hours on one side, early or late on the other.

Does the time difference between Brussels and Costa Mesa change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.