Sao Paulo to Castro Valley Time Difference
Castro Valley is 4 hours behind Sao Paulo
24-Hour Comparison
Business hours Extended Off hours
Sao Paulo
08a
09a
10a
11a
12p
01p
02p
03p
04p
05p
06p
07p
08p
09p
10p
11p
12a
01a
02a
03a
04a
05a
06a
07a
Castro Valley
04a
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
04p
05p
06p
07p
08p
09p
10p
11p
12a
01a
02a
03a
Each column is the same moment in both cities, starting from right now and rolling forward 24 hours — daylight saving is already accounted for.
Best Time to Call
On a typical weekday (Monday–Friday).
- 01:00 PM – 05:00 PM in Sao Paulo09:00 AM – 01:00 PM in Castro Valley
Frequently Asked Questions
- What is the time difference between Sao Paulo and Castro Valley?
- Castro Valley is 4 hours behind Sao Paulo. Sao Paulo is currently UTC-3 and Castro Valley is UTC-7.
- Is Castro Valley ahead of or behind Sao Paulo?
- Castro Valley is behind Sao Paulo.
- What is the best time to call Castro Valley from Sao Paulo?
- On a typical weekday, the best time is 01:00 PM–05:00 PM in Sao Paulo (09:00 AM–01:00 PM in Castro Valley), when both cities are within business hours.
- Does the time difference between Sao Paulo and Castro Valley change during the year?
- Yes. Sao Paulo and Castro Valley don't switch to daylight saving time on the same schedule, so the offset shifts by up to an hour for part of the year.