Castle Rock, CO to Santiago: time difference
Santiago is 3 h ahead of Castle Rock, 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.
Castle Rock, CO 12:18 12:18 PM Santiago 15:18 3:18 PM You –:–
12:18 12:18 PM
Mountain Daylight Time · UTC-6
☀️ 07:05 · 🌙 18:29
15:18 3:18 PM
Chile Summer Time · UTC-3
☀️ 07:09 · 🌙 19:52
·
+3 h
Santiago is 3 h ahead of Castle Rock, CO.
When you, Castle Rock, 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
🇺🇸 Castle Rock, 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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Castle Rock, CO | 🇨🇱 Santiago |
|---|---|---|
| Local time | 12:18 | 15:18 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Mountain Daylight Time | Chile Summer Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Castle Rock, 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 | 07:05 | 07:09 |
| Sunset | 18:29 | 19:52 |
| Daylight | 11 h 25 min | 12 h 43 min |
| People on this clock | 73,158 | 6,139,087 |
Compare Castle Rock, CO with another city
More comparisons with Castle Rock, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Castle Rock, CO and Santiago: common questions
What is the time difference between Castle Rock, CO, and Santiago?
Santiago is 3 hours ahead: it uses UTC−3, while Castle Rock is on UTC−6.
What time is it in Santiago at the start of the working day in Castle Rock, CO?
The working day in Castle Rock starts at 9:00 AM; in Santiago it is 12:00 PM at that moment.
What time is it in Santiago when it is 6:00 PM in Castle Rock, CO?
When it is 6:00 PM in Castle Rock, it is 9:00 PM in Santiago.
Is there a time when both Castle Rock, CO, and Santiago are at work?
Yes: from 9:00 AM to 3:00 PM in Castle Rock (12:00 PM to 6:00 PM in Santiago), the working days (9:00 AM–6:00 PM) overlap.
From what time in Castle Rock, CO, is it tomorrow in Santiago?
Once it is 9:00 PM in Castle Rock, the date in Santiago has already changed. Until 3:00 AM in Santiago, it is still the previous day in Castle Rock.
Does the time gap between Castle Rock, CO, and Santiago change during the year?
Yes, because the clocks in Castle Rock and in Santiago change on different dates. Next change: from November 1, 2026, Santiago will be 4 hours ahead of Castle Rock.
