Alamosa, CO to Santiago: time difference
Santiago is 3 h ahead of Alamosa, CO. 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.
Alamosa, CO 20:12 8:12 PM Santiago 23:12 11:12 PM You –:–
20:12 8:12 PM
Mountain Daylight Time · UTC-6
☀️ 07:18 · 🌙 18:20
23:12 11:12 PM
Chile Summer Time · UTC-3
☀️ 06:55 · 🌙 20:01
·
+3 h
Santiago is 3 h ahead of Alamosa, CO.
When you, Alamosa, CO and Santiago are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Alamosa, CO
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
🇨🇱 Santiago
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 0 12 AM 1 1 AM 2 2 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Alamosa, CO | 🇨🇱 Santiago |
|---|---|---|
| Local time | 20:12 | 23:12 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Mountain Daylight Time | Chile Summer Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Alamosa, CO | — | +3 h |
| IANA zone | America/Denver | America/Santiago |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-4, Apr 3, 23:00 |
| Sunrise | 07:18 | 06:55 |
| Sunset | 18:20 | 20:01 |
| Daylight | 11 h 2 min | 13 h 6 min |
| People on this clock | 10,000 | 6,139,087 |
Compare Alamosa, CO with another city
More comparisons with Alamosa, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Alamosa, CO and Santiago: common questions
How many hours ahead of Alamosa, CO, is Santiago?
The clocks in Santiago are 3 hours ahead of those in Alamosa (UTC−3 and UTC−6).
What time is it in Santiago when it is 9:00 AM in Alamosa, CO?
When it is 9:00 AM in Alamosa, it is 12:00 PM in Santiago.
What time is it in Santiago when it is 6:00 PM in Alamosa, CO?
When it is 6:00 PM in Alamosa, it is 9:00 PM in Santiago.
When do working hours in Alamosa, CO, and in Santiago overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Alamosa, which is 12:00 PM to 6:00 PM in Santiago.
When does the date change in Santiago compared with Alamosa, CO?
The new day starts in Santiago earlier: at 9:00 PM in Alamosa it is already midnight there. Until 3:00 AM in Santiago, Alamosa is still on the previous day.
Is the time difference between Alamosa, CO, and Santiago the same all year?
No. Both places use summer time, but they switch on different dates, so for a while the gap changes. From November 1, 2026, Santiago will be 4 hours ahead of Alamosa.
