Current Time in Castro Valley, California, USA
7:24:12 AM
07:24:12
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
- 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
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
- 12 hr 33 min2 min 23 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Saturday, September 12, 2026
View Castro Valley on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 12 hr 33 min2 min 23 sec shorter than the previous day
- Solar noon
- (56.2° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- New Moon (3% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- New Moon — Thursday, September 10, 2026 at
- Next principal phase
- First Quarter — Friday, September 18, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 12 hr 33 min | 2 min 23 sec shorter than the previous day | |||
| 12 hr 30 min | 2 min 23 sec shorter than the previous day | |||
| 12 hr 28 min | 2 min 23 sec shorter than the previous day | |||
| 12 hr 25 min | 2 min 24 sec shorter than the previous day | |||
| 12 hr 23 min | 2 min 24 sec shorter than the previous day | |||
| 12 hr 21 min | 2 min 23 sec shorter than the previous day | |||
| 12 hr 18 min | 2 min 24 sec shorter than the previous day |
Weather forecast for Castro Valley
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Plan around Castro Valley
Time context
Castro Valley follows the same clock and daylight-saving rules as Los Angeles
Current time offsetUTC−07:00 (PDT)
View time differencesUpcoming 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 currently uses Pacific Daylight Time (PDT). 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)
- Is Castro Valley currently on daylight saving time?
- Castro Valley is observing daylight saving time in 2026
- What is the UTC offset in Castro Valley right now?
- Castro Valley is currently UTC−07:00