Alton, IL to Montevideo: time difference
Montevideo is 2 h ahead of Alton, IL. 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.
Alton, IL 12:43 12:43 PM Montevideo 14:43 2:43 PM You –:–
12:43 12:43 PM
Central Daylight Time · UTC-5
☀️ 07:16 · 🌙 18:17
14:43 2:43 PM
Uruguay Standard Time · UTC-3
☀️ 05:57 · 🌙 19:04
·
+2 h
Montevideo is 2 h ahead of Alton, IL.
When you, Alton, IL and Montevideo are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Alton, IL
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
🇺🇾 Montevideo
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 0 12 AM 1 1 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Alton, IL | 🇺🇾 Montevideo |
|---|---|---|
| Local time | 12:43 | 14:43 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Daylight Time | Uruguay Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Alton, IL | — | +2 h |
| IANA zone | America/Chicago | America/Montevideo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:16 | 05:57 |
| Sunset | 18:17 | 19:04 |
| Daylight | 11 h 1 min | 13 h 7 min |
| People on this clock | 25,676 | 1,319,108 |
Compare Alton, IL with another city
More comparisons with Alton, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Alton, IL and Montevideo: common questions
How many hours ahead of Alton, IL, is Montevideo?
The clocks in Montevideo are 2 hours ahead of those in Alton (UTC−3 and UTC−5).
What time is it in Montevideo at the start of the working day in Alton, IL?
The working day in Alton starts at 9:00 AM; in Montevideo it is 11:00 AM at that moment.
What time is it in Montevideo at the end of the working day in Alton, IL?
The working day in Alton ends at 6:00 PM; in Montevideo it is 8:00 PM at that moment.
When do working hours in Alton, IL, and in Montevideo overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Alton, which is 11:00 AM to 6:00 PM in Montevideo.
When is it already the next day in Montevideo?
From 10:00 PM in Alton, IL, it is already the next day in Montevideo. The other way round, until 2:00 AM in Montevideo it is still the previous day in Alton.
Is the time difference between Alton, IL, and Montevideo the same all year?
No. Only Alton switches to summer time, so the gap changes twice a year. From November 1, 2026, Montevideo will be 3 hours ahead of Alton.
