Time in Castro Valley
Castro Valley, California, United States · population 61,388
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Sunrise
06:07
local time
Sunset
20:22
local time
Coordinates
37.694°N,
122.086°W
United States
Clocks here change on
Sunday, 1 November 2026 at 01:00,
when the offset becomes UTC-08:00
(daylight saving time ends).
Compare with other places
Convert a specific date and time between Castro Valley and anywhere else with the Time Zone Converter, or add it to your own board with the button above — it then appears on the home page and the World Clock.