Montevideo to O'Fallon, MO: time difference
O'Fallon, MO 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 21:05 9:05 PM O'Fallon, MO 19:05 7:05 PM You –:–
21:05 9:05 PM
Uruguay Standard Time · UTC-3
☀️ 05:56 · 🌙 19:05
19:05 7:05 PM
Central Daylight Time · UTC-5
☀️ 07:19 · 🌙 18:17
·
−2 h
O'Fallon, MO is 2 h behind Montevideo.
When you, Montevideo and O'Fallon, MO 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
🇺🇸 O'Fallon, MO
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 | 🇺🇸 O'Fallon, MO |
|---|---|---|
| Local time | 21:05 | 19:05 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 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 | 05:56 | 07:19 |
| Sunset | 19:05 | 18:17 |
| Daylight | 13 h 9 min | 10 h 59 min |
| People on this clock | 1,319,108 | 94,074 |
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 O'Fallon, MO: common questions
How far behind Montevideo is O'Fallon, MO?
O'Fallon is 2 hours behind Montevideo: UTC−5 against UTC−3.
If it is 9:00 AM in Montevideo, what time is it in O'Fallon, MO?
At 9:00 AM in Montevideo, clocks in O'Fallon show 7:00 AM.
If it is 6:00 PM in Montevideo, what time is it in O'Fallon, MO?
At 6:00 PM in Montevideo, clocks in O'Fallon show 4:00 PM.
Is there a time when both Montevideo and O'Fallon, MO, are at work?
Yes: from 11:00 AM to 6:00 PM in Montevideo (9:00 AM to 4:00 PM in O'Fallon), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in O'Fallon, MO?
Until 2:00 AM in Montevideo it is still the previous day in O'Fallon. The other way round, from 10:00 PM in O'Fallon it is already the next day in Montevideo.
Does the time difference between Montevideo and O'Fallon, MO, change?
Yes. The clocks change only in O'Fallon. From November 1, 2026, O'Fallon will be 3 hours behind Montevideo.
