Current Time in Castro Valley, California, USA
12:02:45 PM
12:02:45
PDT (Pacific Daylight Time) · UTC−07:00
America/Los_Angeles
Time zone details
Castro Valley is observing daylight saving time in 2026
Daylight in Castro Valley
Location facts
Place
- Country
- USA
- State
- California
- County
- Alameda County
- Place type
- Populated place
- Country currency
- US Dollar (USD)
Practical
- Country languages
- English, Spanish, Hawaiian, French
- Dialing code
- +1
- Population
- 61,388
- Elevation
- 50 m
Geography
- Geographic coordinates
- 37° 41' N / 122° 05' W
Convert Castro Valley time
Compare Castro Valley with another city or time zone
Castro Valley follows the same clock and daylight-saving rules as Los Angeles
Popular conversions (current offsets)
All times shown relative to Castro Valley local time
Clock changes in Castro Valley
2:00 AM PDT1:00 AM PST
Clocks move back 1 hour
2026
past
Daylight saving time starts
2:00 AM PST3:00 AM PDT
Clocks move forward 1 hour
upcoming
Daylight saving time ends
2:00 AM PDT1:00 AM PST
Clocks move back 1 hour
Future clock changes, 2027–2030
Sun & Moon details
Sun
- Sunrise
- Solar noon
- Sunset
- Daylight duration
- 10 hr 51 min2 min 14 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Sunday, October 25, 2026
View Castro Valley on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 10 hr 51 min2 min 14 sec shorter than the previous day
- Solar noon
- (40.0° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Full Moon (100% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- First Quarter — Sunday, October 18, 2026 at
- Next principal phase
- Full Moon — Sunday, October 25, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 10 hr 51 min | 2 min 14 sec shorter than the previous day | |||
| 10 hr 49 min | 2 min 13 sec shorter than the previous day | |||
| 10 hr 47 min | 2 min 12 sec shorter than the previous day | |||
| 10 hr 44 min | 2 min 11 sec shorter than the previous day | |||
| 10 hr 42 min | 2 min 11 sec shorter than the previous day | |||
| 10 hr 40 min | 2 min 9 sec shorter than the previous day | |||
| 10 hr 38 min | 2 min 9 sec shorter than the previous day |
Weather forecast for Castro Valley
Loading weather forecast…
Plan around Castro Valley
Upcoming public holidays in California
- Veterans Day
- Thanksgiving Day
- Day after Thanksgiving Day
Nearby scheduled airports for Castro Valley, California, USA
Oakland San Francisco Bay AirportOAKLarge airport · Serves Oakland12.2 km west-northwest
Source: OurAirports record · OAK / KOAK
About 12.2 km (7.6 mi) west-northwest of Castro Valley
Scheduled airline service in source data
San Carlos AirportSQLMedium airport · Serves San Carlos24.8 km southwest
Source: OurAirports record · SQL / KSQL
About 24.8 km (15.4 mi) southwest of Castro Valley
Scheduled airline service in source data
San Francisco International AirportSFOLarge airport · Serves San Francisco26.7 km west-southwest
Source: OurAirports record · SFO / KSFO
About 26.7 km (16.6 mi) west-southwest of Castro Valley
Scheduled airline service in source data
Nearby places
Frequently asked questions
- What time zone is Castro Valley in?
- Castro Valley uses Pacific Standard Time (PST, UTC−8) in winter and Pacific Daylight Time (PDT, UTC−7) in summer. Its IANA time zone is America/Los_Angeles.
- When is the next clock change in Castro Valley?
- Clocks in Castro Valley move backward 1 hour on Sunday, November 1, 2026 at 2:00 AM, changing from PDT (UTC−07:00) to PST (UTC−08:00)
- Does Castro Valley observe daylight saving time?
- Yes. Castro Valley observes daylight saving time: PDT (UTC−7) in summer and PST (UTC−8) in winter.
- What is the UTC offset of Castro Valley?
- Castro Valley is UTC−8 in winter and UTC−7 in summer