Current Time in Diablo, Contra Costa County, California, USA

10:06:21 AM

10:06:21

PDT (Pacific Daylight Time) · UTC−07:00

America/Los_Angeles

Clock format
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Time zone details

Diablo is observing daylight saving time in 2026

Daylight in Diablo

Sunrise7:26 AMSolar noon12:51 PMSunset6:16 PM
Next clock changeNov 1, 2026 · Clocks move back 1 hour · in 6 days 15 hoursUpcomingView detailsWeather nowLoading current forecast…Forecast details

Location facts

Place

Country
USA
State
California
County
Contra Costa County
Place type
Populated place
Country currency
US Dollar (USD)

Practical

Country languages
English, Spanish, Hawaiian, French
Dialing code
+1
Population
1,158
Elevation
161 m

Geography

Geographic coordinates
37° 50' N / 121° 57' W
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Clock changes in Diablo

Next clock change

Upcoming

2:00 AM PDT1:00 AM PST

Clocks move back 1 hour

2026

  1. past

    Daylight saving time starts

    2:00 AM PST3:00 AM PDT

    Clocks move forward 1 hour

  2. upcoming

    Daylight saving time ends

    2:00 AM PDT1:00 AM PST

    Clocks move back 1 hour

Future clock changes, 2027–2030
USA daylight saving timeClock changes worldwide

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
–
Full MoonMoon illumination100%
View full Sun & Moon detailsHide full Sun & Moon details

Sunday, October 25, 2026

View Diablo 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
(39.9° 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

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
10 hr 51 min2 min 14 sec shorter than the previous day
10 hr 48 min2 min 14 sec shorter than the previous day
10 hr 46 min2 min 13 sec shorter than the previous day
10 hr 44 min2 min 12 sec shorter than the previous day
10 hr 42 min2 min 11 sec shorter than the previous day
10 hr 40 min2 min 10 sec shorter than the previous day
10 hr 37 min2 min 9 sec shorter than the previous day

Weather forecast for Diablo

Temperature unit

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Plan around Diablo

Upcoming public holidays in California

  1. Veterans Day
  2. Thanksgiving Day
  3. Day after Thanksgiving Day

Nearby places

DanvilleContra Costa County4 kmWSan RamonContra Costa County6 kmSWalnut CreekContra Costa County12 kmNWDublinAlameda County15 kmSMoragaContra Costa County15 kmWLafayetteContra Costa County15 kmWPleasant HillContra Costa County15 kmNWConcordContra Costa County17 kmNCastro ValleyAlameda County19 kmSWOrindaContra Costa County20 kmWPleasantonAlameda County21 kmSAshlandAlameda County21 kmSW
Browse places in USA

Frequently asked questions

What time zone is Diablo in?
Diablo 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 Diablo?
Clocks in Diablo 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 Diablo observe daylight saving time?
Yes. Diablo observes daylight saving time: PDT (UTC−7) in summer and PST (UTC−8) in winter.
What is the UTC offset of Diablo?
Diablo is UTC−8 in winter and UTC−7 in summer