Santiago to Alton, IL: time difference
Alton, 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 17:47 5:47 PM Alton, IL 15:47 3:47 PM You –:–
17:47 5:47 PM
Chile Summer Time · UTC-3
☀️ 06:56 · 🌙 20:00
15:47 3:47 PM
Central Daylight Time · UTC-5
☀️ 07:16 · 🌙 18:17
·
−2 h
Alton, IL is 2 h behind Santiago.
When you, Santiago and Alton, 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
🇺🇸 Alton, 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
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇱 Santiago | 🇺🇸 Alton, IL |
|---|---|---|
| Local time | 17:47 | 15:47 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 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 | 06:56 | 07:16 |
| Sunset | 20:00 | 18:17 |
| Daylight | 13 h 4 min | 11 h 1 min |
| People on this clock | 6,139,087 | 25,676 |
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 Alton, IL: common questions
How many hours behind Santiago is Alton, IL?
The clocks in Alton are 2 hours behind those in Santiago (UTC−5 and UTC−3).
If it is 9:00 AM in Santiago, what time is it in Alton, IL?
At 9:00 AM in Santiago, clocks in Alton show 7:00 AM.
If it is 6:00 PM in Santiago, what time is it in Alton, IL?
At 6:00 PM in Santiago, clocks in Alton show 4:00 PM.
When is a good time to call Alton, IL, from Santiago?
Between 11:00 AM and 6:00 PM in Santiago – that is 9:00 AM to 4:00 PM in Alton – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Alton, IL, compared with Santiago?
The new day starts in Alton later: until 2:00 AM in Santiago, it is still the previous day there. From 10:00 PM in Alton, Santiago is already on the next day.
Is the time difference between Santiago and Alton, IL, 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, Alton will be 3 hours behind Santiago.
