Montevideo to Alton, IL: time difference
Alton, IL is 2 h behind Montevideo. 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.
Montevideo 22:28 10:28 PM Alton, IL 20:28 8:28 PM You –:–
22:28 10:28 PM
Uruguay Standard Time · UTC-3
☀️ 05:57 · 🌙 19:04
20:28 8:28 PM
Central Daylight Time · UTC-5
☀️ 07:16 · 🌙 18:17
·
−2 h
Alton, IL is 2 h behind Montevideo.
When you, Montevideo 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
🇺🇾 Montevideo
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 | 🇺🇾 Montevideo | 🇺🇸 Alton, IL |
|---|---|---|
| Local time | 22:28 | 20:28 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Uruguay Standard Time | Central Daylight Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Montevideo | — | −2 h |
| IANA zone | America/Montevideo | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:57 | 07:16 |
| Sunset | 19:04 | 18:17 |
| Daylight | 13 h 7 min | 11 h 1 min |
| People on this clock | 1,319,108 | 25,676 |
Compare Montevideo with another city
More comparisons with Montevideo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Montevideo and Alton, IL: common questions
What is the time difference between Montevideo and Alton, IL?
Alton is 2 hours behind: it uses UTC−5, while Montevideo is on UTC−3.
What time is it in Alton, IL, at the start of the working day in Montevideo?
The working day in Montevideo starts at 9:00 AM; in Alton it is 7:00 AM at that moment.
What time is it in Alton, IL, when it is 6:00 PM in Montevideo?
When it is 6:00 PM in Montevideo, it is 4:00 PM in Alton.
Is there a time when both Montevideo and Alton, IL, are at work?
Yes: from 11:00 AM to 6:00 PM in Montevideo (9:00 AM to 4:00 PM in Alton), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Montevideo is it still yesterday in Alton, IL?
Before 2:00 AM in Montevideo, the date in Alton has not changed yet. From 10:00 PM in Alton, it is already the next day in Montevideo.
Does the time gap between Montevideo and Alton, IL, change during the year?
Yes – daylight saving time is used in Alton but not in Montevideo. From November 1, 2026, Alton will be 3 hours behind Montevideo.
