Sunset & Sunrise Today in Castro Valley, California

In Castro Valley, California, the sun rises at 7:16 AM and sets at 6:31 PM today, Wednesday, October 14, 2026, for a total of 11h 15m of daylight. Local solar noon in Castro Valley falls at 12:54 PM.

Sitting at 37.69° latitude puts Castro Valley in the mid-latitudes — daylight swings noticeably between the long days of summer and the short days of winter. Each day is currently getting about 2 minutes shorter and 21 seconds. This is autumn in Castro Valley, so the daily sun times are still on the move.

If you're shooting at sunset, aim for Castro Valley's golden hour, about 5:57 PM to 6:48 PM. The blue hour follows, roughly 6:48 PM to 6:58 PM, as twilight deepens.

Tomorrow, sunset in Castro Valley is at 6:30 PM and sunrise at 7:17 AM — about 2m 20s less daylight than today. The table below shows how sunrise and sunset in Castro Valley drift across the whole year.

It's autumn in Castro Valley, when sunset creeps earlier each week. Over the course of the year, sunset in Castro Valley ranges from as early as 4:49 PM (around November 30) to as late as 8:33 PM (around June 20). Its longest day lands on June 20 with 14h 45m of daylight, and its shortest on December 21 with just 9h 32m.