Santiago to Alamosa, CO: time difference
Alamosa, CO is 3 h behind Santiago. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Santiago 00:00 12:00 AM Alamosa, CO 21:00 9:00 PM You –:–
00:00 12:00 AM
Chile Summer Time · UTC-3
☀️ 06:55 · 🌙 20:01
21:00 9:00 PM
Mountain Daylight Time · UTC-6
☀️ 07:18 · 🌙 18:20
·
−3 h
Alamosa, CO is 3 h behind Santiago.
When you, Santiago and Alamosa, CO are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇱 Santiago
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 Alamosa, CO
21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇱 Santiago | 🇺🇸 Alamosa, CO |
|---|---|---|
| Local time | 00:00 | 21:00 |
| Local date | Thursday, October 22, 2026 | Wednesday, October 21, 2026 |
| Time zone | Chile Summer Time | Mountain Daylight Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Santiago | — | −3 h |
| IANA zone | America/Santiago | America/Denver |
| Daylight saving | On summer time → UTC-4, Apr 3, 23:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 06:55 | 07:18 |
| Sunset | 20:01 | 18:20 |
| Daylight | 13 h 6 min | 11 h 2 min |
| People on this clock | 6,139,087 | 10,000 |
Compare Santiago with another city
More comparisons with Santiago: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Santiago and Alamosa, CO: common questions
How many hours behind Santiago is Alamosa, CO?
The clocks in Alamosa are 3 hours behind those in Santiago (UTC−6 and UTC−3).
What time is it in Alamosa, CO, at the start of the working day in Santiago?
The working day in Santiago starts at 9:00 AM; in Alamosa it is 6:00 AM at that moment.
If it is 6:00 PM in Santiago, what time is it in Alamosa, CO?
At 6:00 PM in Santiago, clocks in Alamosa show 3:00 PM.
When do working hours in Santiago and in Alamosa, CO, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Santiago, which is 9:00 AM to 3:00 PM in Alamosa.
When does the date change in Alamosa, CO, compared with Santiago?
The new day starts in Alamosa later: until 3:00 AM in Santiago, it is still the previous day there. From 9:00 PM in Alamosa, Santiago is already on the next day.
Does the time difference between Santiago and Alamosa, CO, change?
Yes. Both places change their clocks, but on different dates. From November 1, 2026, Alamosa will be 4 hours behind Santiago.
