Nosara to Castro Valley, CA: time difference
Castro Valley, CA is 1 h behind 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 04:55 4:55 AM Castro Valley, CA 03:55 3:55 AM You –:–
04:55 4:55 AM
Central Standard Time · UTC-6
☀️ 05:32 · 🌙 17:23
03:55 3:55 AM
Pacific Daylight Time · UTC-7
☀️ 07:24 · 🌙 18:23
·
−1 h
Castro Valley, CA is 1 h behind Nosara.
When you, Nosara and Castro Valley, CA 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
🇺🇸 Castro Valley, CA
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 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇷 Nosara | 🇺🇸 Castro Valley, CA |
|---|---|---|
| Local time | 04:55 | 03:55 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Central Standard Time | Pacific Daylight Time |
| UTC offset | UTC-6 | UTC-7 |
| Offset from Nosara | — | −1 h |
| IANA zone | America/Costa Rica | America/Los Angeles |
| Daylight saving | Not observed | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 05:32 | 07:24 |
| Sunset | 17:23 | 18:23 |
| Daylight | 11 h 51 min | 10 h 59 min |
| People on this clock | 4,912 | 61,388 |
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 Castro Valley, CA: common questions
How many hours behind Nosara is Castro Valley, CA?
The clocks in Castro Valley are 1 hour behind those in Nosara (UTC−7 and UTC−6).
What time is it in Castro Valley, CA, when it is 9:00 AM in Nosara?
When it is 9:00 AM in Nosara, it is 8:00 AM in Castro Valley.
What time is it in Castro Valley, CA, when it is 6:00 PM in Nosara?
When it is 6:00 PM in Nosara, it is 5:00 PM in Castro Valley.
When do working hours in Nosara and in Castro Valley, CA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Nosara, which is 9:00 AM to 5:00 PM in Castro Valley.
Until what time in Nosara is it still yesterday in Castro Valley, CA?
Before 1:00 AM in Nosara, the date in Castro Valley has not changed yet. From 11:00 PM in Castro Valley, it is already the next day in Nosara.
Is the time difference between Nosara and Castro Valley, CA, the same all year?
No. Only Castro Valley switches to summer time, so the gap changes twice a year. From November 1, 2026, Castro Valley will be 2 hours behind Nosara.
