Nosara to O'Fallon, IL: time difference
O'Fallon, IL is 1 h ahead of Nosara. 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.
Nosara 18:05 6:05 PM O'Fallon, IL 19:05 7:05 PM You –:–
18:05 6:05 PM
Central Standard Time · UTC-6
☀️ 05:32 · 🌙 17:24
19:05 7:05 PM
Central Daylight Time · UTC-5
☀️ 07:15 · 🌙 18:15
·
+1 h
O'Fallon, IL is 1 h ahead of Nosara.
When you, Nosara 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
🇨🇷 Nosara
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
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇨🇷 Nosara | 🇺🇸 O'Fallon, IL |
|---|---|---|
| Local time | 18:05 | 19:05 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Central Standard Time | Central Daylight Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Nosara | — | +1 h |
| IANA zone | America/Costa Rica | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:32 | 07:15 |
| Sunset | 17:24 | 18:15 |
| Daylight | 11 h 52 min | 10 h 59 min |
| People on this clock | 4,912 | 94,074 |
Compare Nosara with another city
More comparisons with Nosara: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Nosara and O'Fallon, IL: common questions
How many hours ahead of Nosara is O'Fallon, IL?
The clocks in O'Fallon are 1 hour ahead of those in Nosara (UTC−5 and UTC−6).
If it is 9:00 AM in Nosara, what time is it in O'Fallon, IL?
At 9:00 AM in Nosara, clocks in O'Fallon show 10:00 AM.
What time is it in O'Fallon, IL, when it is 6:00 PM in Nosara?
When it is 6:00 PM in Nosara, it is 7:00 PM in O'Fallon.
Is there a time when both Nosara and O'Fallon, IL, are at work?
Yes: from 9:00 AM to 5:00 PM in Nosara (10:00 AM to 6:00 PM in O'Fallon), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in O'Fallon, IL?
From 11:00 PM in Nosara it is already the next day in O'Fallon. The other way round, until 1:00 AM in O'Fallon it is still the previous day in Nosara.
Is the time difference between Nosara and O'Fallon, IL, the same all year?
No. Only O'Fallon switches to summer time, so the gap changes twice a year. From November 1, 2026, O'Fallon and Nosara will have the same time.
