Santiago to Longmont time converter

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

Santiago CLST

Wednesday, October 21, 2026

Longmont MDT

Wednesday, October 21, 2026

Santiago
Chile
Wed, Oct 21
CLSTUTC-3
Longmont
Colorado, United States
Wed, Oct 21
MDTUTC-6-3h
Finding your time zone…
Shared working hours (9:00–18:00)

Santiago to Longmont conversion table

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

SantiagoLongmont
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 Longmont).

Daylight saving time and the difference

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

  • Oct 21, 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 21, 2027: -3h

Distance

Santiago and Longmont are 8,919 km (5,542 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between Santiago and Longmont?

Longmont is 3 hours behind Santiago.

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

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

When is the best time to call Longmont from Santiago?

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

Does the time difference between Santiago and Longmont change?

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