Brussels to Boulder time converter

Boulder is 8 hours behind Brussels. When it is 9:00 AM in Brussels, it is 1:00 AM in Boulder.

Brussels CEST

Sunday, October 18, 2026

Boulder MDT

Saturday, October 17, 2026

Brussels
Belgium
Sun, Oct 18
CESTUTC+2
Boulder
Colorado, United States
Sat, Oct 17
MDTUTC-6-8h
Finding your time zone…
Shared working hours (9:00–18:00)

Brussels to Boulder conversion table

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

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

Best time to call or meet

Both sides are at work from 5:00 PM – 6:00 PM in Brussels (9:00 AM – 10:00 AM in Boulder).

Daylight saving time and the difference

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

  • Oct 18, 2026 – Oct 25, 2026: -8h
  • Oct 25, 2026 – Nov 1, 2026: -7h
  • Nov 1, 2026 – Mar 14, 2027: -8h
  • Mar 14, 2027 – Mar 28, 2027: -7h
  • Mar 28, 2027 – Oct 18, 2027: -8h

Distance

Brussels and Boulder are 7,823 km (4,861 miles) apart in a straight line.

More conversions

Boulder 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 BoulderLondon to BoulderLos Angeles to BoulderChicago to BoulderToronto to BoulderSão Paulo to BoulderParis to BoulderBerlin to BoulderMoscow to BoulderDubai to BoulderNew Delhi to BoulderBangkok to Boulder

Questions and answers

What is the time difference between Brussels and Boulder?

Boulder is 8 hours behind Brussels.

What time is it in Boulder when it is 9 AM in Brussels?

When it is 9:00 AM in Brussels, it is 1:00 AM in Boulder.

When is the best time to call Boulder from Brussels?

Both sides are at work from 5:00 PM – 6:00 PM in Brussels (9:00 AM – 10:00 AM in Boulder).

Does the time difference between Brussels and Boulder change?

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