Santiago to O'Fallon, IL: time difference
O'Fallon, IL is 2 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 18:02 6:02 PM O'Fallon, IL 16:02 4:02 PM You –:–
18:02 6:02 PM
Chile Summer Time · UTC-3
☀️ 06:55 · 🌙 20:01
16:02 4:02 PM
Central Daylight Time · UTC-5
☀️ 07:15 · 🌙 18:15
·
−2 h
O'Fallon, IL is 2 h behind Santiago.
When you, Santiago and O'Fallon, IL 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
🇺🇸 O'Fallon, IL
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 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇨🇱 Santiago | 🇺🇸 O'Fallon, IL |
|---|---|---|
| Local time | 18:02 | 16:02 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Chile Summer Time | Central Daylight Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Santiago | — | −2 h |
| IANA zone | America/Santiago | America/Chicago |
| Daylight saving | On summer time → UTC-4, Apr 3, 23:00 | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:55 | 07:15 |
| Sunset | 20:01 | 18:15 |
| Daylight | 13 h 6 min | 10 h 59 min |
| People on this clock | 6,139,087 | 94,074 |
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 O'Fallon, IL: common questions
What is the time difference between Santiago and O'Fallon, IL?
O'Fallon is 2 hours behind: it uses UTC−5, while Santiago is on UTC−3.
What time is it in O'Fallon, IL, when it is 9:00 AM in Santiago?
When it is 9:00 AM in Santiago, it is 7:00 AM in O'Fallon.
If it is 6:00 PM in Santiago, what time is it in O'Fallon, IL?
At 6:00 PM in Santiago, clocks in O'Fallon show 4:00 PM.
When do working hours in Santiago and in O'Fallon, IL, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 11:00 AM to 6:00 PM in Santiago, which is 9:00 AM to 4:00 PM in O'Fallon.
Until what time in Santiago is it still yesterday in O'Fallon, IL?
Before 2:00 AM in Santiago, the date in O'Fallon has not changed yet. From 10:00 PM in O'Fallon, it is already the next day in Santiago.
Does the time difference between Santiago and O'Fallon, IL, change?
Yes. Both places change their clocks, but on different dates. From November 1, 2026, O'Fallon will be 3 hours behind Santiago.
