Santiago to Boulder time converter

Boulder is 3 hours behind Santiago. When it is 9:00 AM in Santiago, it is 6:00 AM in Boulder.

Santiago CLST

Monday, October 19, 2026

Boulder MDT

Monday, October 19, 2026

Santiago
Chile
Mon, Oct 19
CLSTUTC-3
Boulder
Colorado, United States
Mon, Oct 19
MDTUTC-6-3h
Finding your time zone…
Shared working hours (9:00–18:00)

Santiago to Boulder conversion table

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

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

Best time to call or meet

Both sides are at work from 12:00 PM – 6:00 PM in Santiago (9:00 AM – 3:00 PM in Boulder).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Nov 1, 2026: -3h
  • Nov 1, 2026 – Mar 14, 2027: -4h
  • Mar 14, 2027 – Apr 3, 2027: -3h
  • Apr 3, 2027 – Sep 5, 2027: -2h
  • Sep 5, 2027 – Oct 19, 2027: -3h

Distance

Santiago and Boulder are 8,911 km (5,537 miles) apart in a straight line.

More conversions

Boulder to SantiagoSantiago to New YorkSantiago to LondonSantiago to Los AngelesSantiago to ChicagoSantiago to TorontoSantiago to São PauloSantiago to ParisSantiago to BerlinSantiago to MoscowSantiago to DubaiSantiago to New DelhiSantiago 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 Santiago and Boulder?

Boulder is 3 hours behind Santiago.

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

When it is 9:00 AM in Santiago, it is 6:00 AM in Boulder.

When is the best time to call Boulder from Santiago?

Both sides are at work from 12:00 PM – 6:00 PM in Santiago (9:00 AM – 3:00 PM in Boulder).

Does the time difference between Santiago 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.