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Castro Valley, California · Saturday, October 24, 2026
Sunrise and Sunset in Castro Valley Today
Today, Saturday, October 24, 2026, the sun rises at and sets at PDT in Castro Valley, California, giving 10 hours, 53 minutes of daylight, 2 minutes 15 seconds shorter than yesterday.
Sunrise
Rises in the ESE at 104°
Sunset
Sets in the WSW at 255°
Daylight
10h 53m
−2m 15s vs yesterday
First lightCivil dawn, sun 6° below
Solar noonSun 40.3° above the horizon
Last lightCivil dusk, sun 6° below
Daylight and twilight across the day
Local time, America/Los_Angeles (UTC−7)
- Night
- Astronomical twilight
- Nautical twilight
- Civil twilight
- Daylight
- Golden hour
| Dawn | Dusk | |
|---|---|---|
| Astronomical −18° | ||
| Nautical −12° | ||
| Civil −6° | ||
| Sunrise / sunset |
| Morning | Evening | |
|---|---|---|
| Blue hour | – | – |
| Golden hour | – | – |
Sunrise and sunset in Castro Valley for the next 7 days
| Date | Sunrise | Sunset | Day length | Change |
|---|---|---|---|---|
| Today Oct 24 | 10h 53m | −2m 15s | ||
| Sun Oct 25 | 10h 51m | −2m 14s | ||
| Mon Oct 26 | 10h 49m | −2m 13s | ||
| Tue Oct 27 | 10h 47m | −2m 13s | ||
| Wed Oct 28 | 10h 44m | −2m 11s | ||
| Thu Oct 29 | 10h 42m | −2m 11s | ||
| Fri Oct 30 | 10h 40m | −2m 09s |
Daylight in Castro Valley through 2026
Sunrise and sunset each day; steps in the lines are clock changes.
- Daylight
- Civil twilight
- Night
Longest dayJune 20, 202614h 46m of daylight
Shortest dayDecember 21, 20269h 33m of daylight
Earliest sunriseJune 6, 2026
Latest sunsetJune 25, 2026
Latest sunriseOctober 31, 2026
Earliest sunsetDecember 1, 2026
Month by month in 2026
Seasons and clock changes
| March equinox | March 20, 2026 | |
|---|---|---|
| June solstice longest day | June 21, 2026 | |
| September equinox | September 22, 2026 | |
| December solstice shortest day | December 21, 2026 | |
| Clocks go forward | March 8, 2026 | PDT |
| Clocks go back | November 1, 2026 | PST |
The moon tonight
Waxing Gibbous
97% illuminated · 13.3 days old
Moonrise · Moonset
Next full moon: the Hunter's Moon, Sunday, October 25, 2026 at .
Sunrise and sunset in places near Castro Valley
Today's times; the difference is against Castro Valley.
| Place | Distance | Sunrise | Sunset | Sunrise vs Castro Valley |
|---|---|---|---|---|
| Cherryland | 1.4 mi SW | same minute | ||
| Ashland | 1.5 mi W | same minute | ||
| Hayward | 1.8 mi S | same minute | ||
| Fairview | 2.5 mi ESE | same minute | ||
| San Lorenzo | 2.9 mi WSW | same minute | ||
| San Leandro | 4.4 mi WNW | same minute | ||
| Union City | 7.7 mi SSE | same minute | ||
| Dublin | 8.2 mi E | 36 seconds earlier | ||
| San Ramon | 8.4 mi NE | same minute | ||
| Danville | 10.0 mi NNE | same minute |
About Castro Valley
- Location
- Castro Valley, California, United States
- County / district
- Alameda County
- Coordinates
- 37.6941°N, 122.0864°W
- Elevation
- 50 m (164 ft)
- Time zone
- America/Los_Angeles, PDT (UTC−7)
- Population
- 61,388
How these times are calculated
Sunrise and sunset are the moments the top edge of the sun meets a flat, sea-level horizon, with standard atmospheric refraction (the sun's centre 0.833° below the horizon). Civil, nautical and astronomical twilight begin when the sun is 6°, 12° and 18° below. Golden hour is the sun between 6° above and 4° below.
Questions about sunrise and sunset in Castro Valley
What time is sunrise in Castro Valley today?
Sunrise in Castro Valley, California today, Saturday, October 24, 2026, is at 7:26 AM PDT, and sunset is at 6:19 PM.
How many hours of daylight does Castro Valley get today?
Castro Valley gets 10 hours, 53 minutes of daylight today, 2 minutes 15 seconds shorter than yesterday.
When is golden hour in Castro Valley this evening?
Evening golden hour in Castro Valley runs from 5:43 PM to 6:35 PM PDT today.
When is the longest day of 2026 in Castro Valley?
The longest day of 2026 in Castro Valley is June 20, 2026, with 14 hours, 46 minutes of daylight. The shortest is December 21, 2026, with 9 hours, 33 minutes.
What time zone is Castro Valley in?
Castro Valley uses the America/Los_Angeles time zone, currently PDT (UTC−7).
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