Medellin to Alton, IL: time difference
Alton, IL is 1 h behind Medellin. 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.
Medellin 10:16 10:16 AM Alton, IL 09:16 9:16 AM You –:–
10:16 10:16 AM
Colombia Standard Time · UTC-5
☀️ 05:51 · 🌙 17:43
09:16 9:16 AM
Central Standard Time · UTC-6
☀️ 06:34 · 🌙 16:56
·
−1 h
Alton, IL is 1 h behind Medellin.
When you, Medellin 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
🇨🇴 Medellin
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
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 22 10 PM
📍 Your time
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Time zones side by side
| Detail | 🇨🇴 Medellin | 🇺🇸 Alton, IL |
|---|---|---|
| Local time | 10:16 | 09:16 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Colombia Standard Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Medellin | — | −1 h |
| IANA zone | America/Bogota | America/Chicago |
| Daylight saving | Not observed | On standard time → UTC-5, Mar 14, 03:00 |
| Sunrise | 05:51 | 06:34 |
| Sunset | 17:43 | 16:56 |
| Daylight | 11 h 53 min | 10 h 22 min |
| People on this clock | 2,486,723 | 25,676 |
Compare Medellin with another city
More comparisons with Medellin: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Medellin and Alton, IL: common questions
How far behind Medellin is Alton, IL?
Alton is 1 hour behind Medellin: UTC−6 against UTC−5.
If it is 9:00 AM in Medellin, what time is it in Alton, IL?
At 9:00 AM in Medellin, clocks in Alton show 8:00 AM.
What time is it in Alton, IL, at the end of the working day in Medellin?
The working day in Medellin ends at 6:00 PM; in Alton it is 5:00 PM at that moment.
When do working hours in Medellin and in Alton, IL, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Medellin, which is 9:00 AM to 5:00 PM in Alton.
When is it still the previous day in Alton, IL?
Until 1:00 AM in Medellin it is still the previous day in Alton. The other way round, from 11:00 PM in Alton it is already the next day in Medellin.
Is the time difference between Medellin and Alton, IL, the same all year?
No. Only Alton switches to summer time, so the gap changes twice a year. From March 14, 2027, Alton and Medellin will have the same time.
