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

8:26:47 PM

20:26:47

PST (Pacific Standard Time) · UTC−08:00

America/Los_Angeles

Clock format
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Time zone details

Byron is currently on standard time; daylight saving time is observed in 2026

Daylight in Byron

Sunrise6:46 AMSolar noon11:51 AMSunset4:55 PM
Next clock changeMar 14, 2027 · Clocks move forward 1 hour · in 119 daysUpcomingView 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
1,277
Elevation
10 m

Geography

Geographic coordinates
37° 52' N / 121° 38' W
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Clock changes in Byron

Next clock change

Upcoming

2:00 AM PST3:00 AM PDT

Clocks move forward 1 hour

2026

  1. past

    Daylight saving time starts

    2:00 AM PST3:00 AM PDT

    Clocks move forward 1 hour

  2. past

    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 09 min1 min 49 sec shorter than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
Waxing CrescentMoon illumination26%
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Saturday, November 14, 2026

View Byron on Savvy Time's time-zone map

Sun

Sunrise
Sunset
Day length
10 hr 09 min1 min 49 sec shorter than the previous day
Solar noon
(33.8° altitude)

Civil twilight

Dawn to dusk
–

Additional twilight

Nautical dawn to dusk
–
Astronomical dawn to dusk
–

Moon

Phase
Waxing Crescent (26% illuminated)
Moonrise
Moonset
Previous principal phase
New Moon — Sunday, November 8, 2026 at
Next principal phase
First Quarter — Tuesday, November 17, 2026 at

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local dateSunriseSunsetDay lengthDaily change
10 hr 09 min1 min 49 sec shorter than the previous day
10 hr 08 min1 min 48 sec shorter than the previous day
10 hr 06 min1 min 46 sec shorter than the previous day
10 hr 04 min1 min 43 sec shorter than the previous day
10 hr 02 min1 min 42 sec shorter than the previous day
10 hr 01 min1 min 40 sec shorter than the previous day
9 hr 59 min1 min 37 sec shorter than the previous day

Weather forecast for Byron

Temperature unit

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Plan around Byron

Upcoming public holidays in California

  1. Thanksgiving Day
  2. Day after Thanksgiving Day
  3. Christmas Day

Nearby places

BrentwoodContra Costa County9 kmNWOakleyContra Costa County16 kmNWAntiochContra Costa County21 kmNWTracySan Joaquin County23 kmSELivermoreAlameda County24 kmSWPittsburgContra Costa County28 kmNWPleasantonAlameda County31 kmSWSan RamonContra Costa County31 kmWDublinAlameda County32 kmSWStocktonSan Joaquin County32 kmELathropSan Joaquin County32 kmEDanvilleContra Costa County32 kmW
Browse places in USA

Frequently asked questions

What time zone is Byron in?
Byron 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 Byron?
Clocks in Byron move forward 1 hour on Sunday, March 14, 2027 at 2:00 AM, changing from PST (UTC−08:00) to PDT (UTC−07:00)
Does Byron observe daylight saving time?
Yes. Byron observes daylight saving time: PDT (UTC−7) in summer and PST (UTC−8) in winter.
What is the UTC offset of Byron?
Byron is UTC−8 in winter and UTC−7 in summer