Nosara to Alton, IL: time difference
Alton, 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 07:47 7:47 AM Alton, IL 08:47 8:47 AM You –:–
07:47 7:47 AM
Central Standard Time · UTC-6
☀️ 05:32 · 🌙 17:24
08:47 8:47 AM
Central Daylight Time · UTC-5
☀️ 07:16 · 🌙 18:17
·
+1 h
Alton, IL is 1 h ahead of Nosara.
When you, Nosara 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
🇨🇷 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
🇺🇸 Alton, 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
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- Early
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Time zones side by side
| Detail | 🇨🇷 Nosara | 🇺🇸 Alton, IL |
|---|---|---|
| Local time | 07:47 | 08:47 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 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 | 07:16 |
| Sunset | 17:24 | 18:17 |
| Daylight | 11 h 52 min | 11 h 1 min |
| People on this clock | 4,912 | 25,676 |
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 Alton, IL: common questions
How far ahead of Nosara is Alton, IL?
Alton is 1 hour ahead of Nosara: UTC−5 against UTC−6.
What time is it in Alton, IL, when it is 9:00 AM in Nosara?
When it is 9:00 AM in Nosara, it is 10:00 AM in Alton.
If it is 6:00 PM in Nosara, what time is it in Alton, IL?
At 6:00 PM in Nosara, clocks in Alton show 7:00 PM.
When do working hours in Nosara and in Alton, IL, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Nosara, which is 10:00 AM to 6:00 PM in Alton.
When is it already the next day in Alton, IL?
From 11:00 PM in Nosara it is already the next day in Alton. The other way round, until 1:00 AM in Alton it is still the previous day in Nosara.
Does the time gap between Nosara and Alton, IL, change during the year?
Yes – daylight saving time is used in Alton but not in Nosara. From November 1, 2026, Alton and Nosara will have the same time.
