Current Time in Union City, California, USA

7:39:49 PM

19:39:49

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

America/Los_Angeles

Clock format
Time zone details

Union City is currently on standard time; daylight saving time is observed in 2026

Daylight in Union City

Sunrise6:47 AMSolar noon11:52 AMSunset4:57 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
Alameda County
Place type
Populated place
Country currency
US Dollar (USD)

Practical

Country languages
English, Spanish, Hawaiian, French
Dialing code
+1
Population
74,494
Elevation
21 m

Geography

Geographic coordinates
37° 35' N / 122° 01' W
View on map

Convert Union City time

All times shown relative to Union City local time

Clock changes in Union City

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

Sun & Moon details

Sun

Sunrise
Solar noon
Sunset
Daylight duration
10 hr 11 min1 min 48 sec shorter than the previous day

Twilight

Civil twilight
–
Nautical twilight
–
Astronomical twilight
–
Waxing CrescentMoon illumination26%
View full Sun & Moon detailsHide full Sun & Moon details

Saturday, November 14, 2026

Sun

Sunrise
Sunset
Day length
10 hr 11 min1 min 48 sec shorter than the previous day
Solar noon
(34.0° 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 11 min1 min 48 sec shorter than the previous day
10 hr 09 min1 min 47 sec shorter than the previous day
10 hr 07 min1 min 45 sec shorter than the previous day
10 hr 05 min1 min 42 sec shorter than the previous day
10 hr 04 min1 min 41 sec shorter than the previous day
10 hr 02 min1 min 38 sec shorter than the previous day
10 hr 00 min1 min 37 sec shorter than the previous day

Weather forecast for Union City

Temperature unit

Loading weather forecast…

Plan around Union City

Upcoming public holidays in California

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

Nearby scheduled airports for Union City, California, USA

San Carlos AirportSQLMedium airport · Serves San Carlos22.4 km west-southwest

Source: OurAirports record · SQL / KSQL

About 22.4 km (13.9 mi) west-southwest of Union City

Scheduled airline service in source data

Oakland San Francisco Bay AirportOAKLarge airport · Serves Oakland22.5 km northwest

Source: OurAirports record · OAK / KOAK

About 22.5 km (14.0 mi) northwest of Union City

Scheduled airline service in source data

Mineta San Jose International AirportSJCLarge airport · Serves San Jose27.1 km south-southeast

Source: OurAirports record · SJC / KSJC

About 27.1 km (16.8 mi) south-southeast of Union City

Scheduled airline service in source data

Nearby places

Browse places in USA

Frequently asked questions

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