Casper, WY to Santiago: time difference
Santiago is 3 h ahead of Casper, WY. 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.
Casper, WY 11:42 11:42 AM Santiago 14:42 2:42 PM You –:–
11:42 11:42 AM
Mountain Daylight Time · UTC-6
☀️ 07:23 · 🌙 18:19
14:42 2:42 PM
Chile Summer Time · UTC-3
☀️ 06:59 · 🌙 19:58
·
+3 h
Santiago is 3 h ahead of Casper, WY.
When you, Casper, WY 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
🇺🇸 Casper, WY
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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- Working hours
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Time zones side by side
| Detail | 🇺🇸 Casper, WY | 🇨🇱 Santiago |
|---|---|---|
| Local time | 11:42 | 14:42 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Mountain Daylight Time | Chile Summer Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Casper, WY | — | +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 | 07:23 | 06:59 |
| Sunset | 18:19 | 19:58 |
| Daylight | 10 h 57 min | 13 h |
| People on this clock | 58,763 | 6,139,087 |
Compare Casper, WY with another city
More comparisons with Casper, WY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Casper, WY and Santiago: common questions
What is the time difference between Casper, WY, and Santiago?
Santiago is 3 hours ahead: it uses UTC−3, while Casper is on UTC−6.
What time is it in Santiago at the start of the working day in Casper, WY?
The working day in Casper 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 Casper, WY?
When it is 6:00 PM in Casper, it is 9:00 PM in Santiago.
When is a good time to call Santiago from Casper, WY?
Between 9:00 AM and 3:00 PM in Casper – that is 12:00 PM to 6:00 PM in Santiago – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Santiago?
From 9:00 PM in Casper, WY, it is already the next day in Santiago. The other way round, until 3:00 AM in Santiago it is still the previous day in Casper.
Does the time difference between Casper, WY, and Santiago change?
Yes. Both places change their clocks, but on different dates. From November 1, 2026, Santiago will be 4 hours ahead of Casper.
