Medellin to O'Fallon, IL: time difference
O'Fallon, 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 00:42 12:42 AM O'Fallon, IL 23:42 11:42 PM You –:–
00:42 12:42 AM
Colombia Standard Time · UTC-5
☀️ 05:51 · 🌙 17:43
23:42 11:42 PM
Central Standard Time · UTC-6
☀️ 06:31 · 🌙 16:57
·
−1 h
O'Fallon, IL is 1 h behind Medellin.
When you, Medellin 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
🇨🇴 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
🇺🇸 O'Fallon, 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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇴 Medellin | 🇺🇸 O'Fallon, IL |
|---|---|---|
| Local time | 00:42 | 23:42 |
| Local date | Friday, November 6, 2026 | Thursday, November 5, 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 | 06:31 |
| Sunset | 17:43 | 16:57 |
| Daylight | 11 h 53 min | 10 h 25 min |
| People on this clock | 2,486,723 | 94,074 |
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 O'Fallon, IL: common questions
How many hours behind Medellin is O'Fallon, IL?
The clocks in O'Fallon are 1 hour behind those in Medellin (UTC−6 and UTC−5).
If it is 9:00 AM in Medellin, what time is it in O'Fallon, IL?
At 9:00 AM in Medellin, clocks in O'Fallon show 8:00 AM.
What time is it in O'Fallon, IL, when it is 6:00 PM in Medellin?
When it is 6:00 PM in Medellin, it is 5:00 PM in O'Fallon.
Is there a time when both Medellin and O'Fallon, IL, are at work?
Yes: from 10:00 AM to 6:00 PM in Medellin (9:00 AM to 5:00 PM in O'Fallon), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in O'Fallon, IL, compared with Medellin?
The new day starts in O'Fallon later: until 1:00 AM in Medellin, it is still the previous day there. From 11:00 PM in O'Fallon, Medellin is already on the next day.
Does the time gap between Medellin and O'Fallon, IL, change during the year?
Yes – daylight saving time is used in O'Fallon but not in Medellin. From March 14, 2027, O'Fallon and Medellin will have the same time.
