Current Time in Castro Valley, United States 🇺🇸
Lat/Long: 37.69° N, 122.09° W
Elevation: 50 m above sea level
Population rank: #722 of 21,150 cities in United States by population
State: California
Country: 🇺🇸 United States (North America)
IANA Timezone: America/Los_Angeles
Solar time: clocks run about 1h 10m ahead of the sun
Timezone: PST
Daylight Saving Time: Yes ✅ (Abbreviation: PDT) (When does Daylight Savings Time end?)
Standard Timezone Abbreviations used in United States: AKST, CST, EST, HST, MST, PST
Daylight Saving Timezone Abbreviations used in United States: AKDT, CDT, EDT, HDT, MDT, PDT
Daylight Hours in Castro Valley
Castro Valley gets 14h 40m of daylight today — sunrise is at 05:47 and sunset is at 20:27.
Daylight ranges from about 9h 33m near the December solstice to 14h 46m near the June solstice.
Time Difference Between Castro Valley and Major Cities
Live local time and the difference from Castro Valley right now.
Best Time to Call Castro Valley
How standard business hours (9:00 to 17:00) in major hubs line up with the clock in Castro Valley:
Other Cities in United States with Local Time
Cities Sharing Castro Valley's Time Zone (UTC−08:00)
These major cities are at the same UTC offset as Castro Valley.
Weather in Castro Valley
Tools to Plan Meetings
Prayer Times in Castro Valley
| Date | Fajr | Sunrise | Dhuhr | Asr | Maghrib | Isha |
|---|---|---|---|---|---|---|
| Sat, 6 Jun ● | 03:50 | 05:46 | 13:07 | 17:00 | 20:27 | 21:57 |
| Sun, 7 Jun | 03:49 | 05:46 | 13:07 | 17:00 | 20:27 | 21:57 |
| Mon, 8 Jun | 03:49 | 05:46 | 13:07 | 17:00 | 20:28 | 21:58 |
| Tue, 9 Jun | 03:48 | 05:46 | 13:07 | 17:01 | 20:28 | 21:58 |
| Wed, 10 Jun | 03:48 | 05:46 | 13:07 | 17:01 | 20:29 | 21:59 |
| Thu, 11 Jun | 03:48 | 05:46 | 13:08 | 17:01 | 20:29 | 21:59 |
| Fri, 12 Jun | 03:48 | 05:46 | 13:08 | 17:01 | 20:30 | 22:00 |
Add Castro Valley Widgets to Your Website
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Castro Valley Prayer Times Widget
Show daily prayer times for Castro Valley on any website
Castro Valley Weather Widget
Current conditions and 7-day forecast for Castro Valley
Castro Valley Sunrise & Sunset Widget
Sunrise, sunset, day length, and twilight times for Castro Valley
Castro Valley Moon Phase Widget
Current phase, illumination, and next full/new moon for Castro Valley
Castro Valley Countdown Timer Widget
Live event countdown in Castro Valley local time
14-day Forecast for Castro Valley
Sunrise & Sunset Times for Castro Valley
Sunrise
in Castro Valley
↑
5:47 AM
Sunset
in Castro Valley
↓
8:27 PM
Day Length
14h 40m
Dawn
in Castro Valley
5:15 AM
Dusk
in Castro Valley
8:58 PM
View detailed past and future sunrise, sunset, and twilight times for Castro Valley. Track daylight hours, sun phases, and more.
Moon Phases & Times for Castro Valley
Current Phase
Waning Gibbous
Illumination
66.9%
Next Moonrise
↑
Tomorrow, 01:01
Next Moonset
↓
Today, 11:20
View the detailed moon calendar for Castro Valley with moonphases, moonrise, and moonset times for any date.
How Far Is Castro Valley From Other Major Cities?
| City | Distance | Direction |
|---|---|---|
| Los Angeles | 533 km | SE (138deg) |
| New York | 4,105 km | ENE (70deg) |
| Tokyo | 8,304 km | WNW (304deg) |
| London | 8,609 km | NNE (33deg) |
| Paris | 8,945 km | NNE (33deg) |
| Moscow | 9,448 km | NNE (11deg) |
| Sao Paulo | 10,404 km | ESE (117deg) |
| Hong Kong | 11,124 km | NW (309deg) |
When Do the Clocks Change in Castro Valley?
Castro Valley next changes its clocks on November 1, 2026, when the clocks fall back by one hour.
Castro Valley's Antipode: The Opposite Side of the Earth
Dig straight through the Earth from Castro Valley and you would surface in the open ocean, near 37.7deg S, 57.9deg E.
Frequently Asked Questions about Castro Valley
What time is it in Castro Valley right now?
The current local time in Castro Valley is 10:53 on Saturday, June 06, 2026. Castro Valley follows the America/Los_Angeles time zone.
What time zone is Castro Valley in?
Castro Valley uses the America/Los_Angeles IANA time zone (UTC−08:00). This zone covers the city and surrounding region year-round, with automatic adjustments during daylight saving when applicable.
How many hours ahead or behind UTC is Castro Valley?
Castro Valley is UTC−08:00 during standard time. To convert UTC to Castro Valley local time, shift the clock −08:00 hours backward.
Is Castro Valley on daylight saving time right now?
Yes — Castro Valley is currently observing daylight saving time as of June 06, 2026.
What time is sunrise and sunset in Castro Valley today?
Today in Castro Valley: sunrise is at 05:47 and sunset is at 20:27, giving 14h 40m of daylight.
What moon phase is visible over Castro Valley tonight?
The moon phase over Castro Valley tonight is Waning Gibbous with 66.9% illumination.
What is solar time in Castro Valley?
Solar time follows the Sun's actual position, with solar noon when the Sun is highest in the sky. In Castro Valley, clocks run about 1h 10m ahead of local solar time, because the official time zone does not exactly match the Sun's position.