Castle Rock, CO to Nosara: time difference
Nosara is 1 h ahead of Castle Rock, CO. 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.
Castle Rock, CO 03:19 3:19 AM Nosara 04:19 4:19 AM You –:–
03:19 3:19 AM
Mountain Standard Time · UTC-7
☀️ 06:34 · 🌙 16:54
04:19 4:19 AM
Central Standard Time · UTC-6
☀️ 05:35 · 🌙 17:19
·
+1 h
Nosara is 1 h ahead of Castle Rock, CO.
When you, Castle Rock, CO and Nosara are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Castle Rock, CO
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
🇨🇷 Nosara
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 | 🇺🇸 Castle Rock, CO | 🇨🇷 Nosara |
|---|---|---|
| Local time | 03:19 | 04:19 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Mountain Standard Time | Central Standard Time |
| UTC offset | UTC-7 | UTC-6 |
| Offset from Castle Rock, CO | — | +1 h |
| IANA zone | America/Denver | America/Costa Rica |
| Daylight saving | On standard time → UTC-6, Mar 14, 03:00 | Not observed |
| Sunrise | 06:34 | 05:35 |
| Sunset | 16:54 | 17:19 |
| Daylight | 10 h 20 min | 11 h 44 min |
| People on this clock | 73,158 | 4,912 |
Compare Castle Rock, CO with another city
More comparisons with Castle Rock, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Castle Rock, CO and Nosara: common questions
What is the time difference between Castle Rock, CO, and Nosara?
Nosara is 1 hour ahead: it uses UTC−6, while Castle Rock is on UTC−7.
What time is it in Nosara at the start of the working day in Castle Rock, CO?
The working day in Castle Rock starts at 9:00 AM; in Nosara it is 10:00 AM at that moment.
If it is 6:00 PM in Castle Rock, CO, what time is it in Nosara?
At 6:00 PM in Castle Rock, clocks in Nosara show 7:00 PM.
Is there a time when both Castle Rock, CO, and Nosara are at work?
Yes: from 9:00 AM to 5:00 PM in Castle Rock (10:00 AM to 6:00 PM in Nosara), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Nosara compared with Castle Rock, CO?
The new day starts in Nosara earlier: at 11:00 PM in Castle Rock it is already midnight there. Until 1:00 AM in Nosara, Castle Rock is still on the previous day.
Does the time difference between Castle Rock, CO, and Nosara change?
Yes. The clocks change only in Castle Rock. From March 14, 2027, Nosara and Castle Rock will have the same time.
