What time zone is Atherton in?

Atherton 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 Atherton?

Clocks in Atherton 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 Atherton observe daylight saving time?

Yes. Atherton observes daylight saving time: PDT (UTC−7) in summer and PST (UTC−8) in winter.

What is the UTC offset of Atherton?

Atherton is UTC−8 in winter and UTC−7 in summer

Current Time in Atherton, San Mateo County, California, USA

8:26:56 PM

20:26:56

Saturday, November 14, 2026

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

America/Los_Angeles

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Time zone details

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

Daylight in Atherton

Sunrise6:47 AMSolar noon11:53 AMSunset4:58 PM

Next clock changeMar 14, 2027 · Clocks move forward 1 hour · in 119 daysUpcomingView details Weather nowLoading current forecast…Forecast details

Location facts

Place

Country: USA
State: California
County: San Mateo County
Place type: Populated place
Country currency: US Dollar (USD)

Practical

Country languages: English, Spanish, Hawaiian, French
Dialing code: +1
Population: 7,167
Elevation: 18 m

Geography

Geographic coordinates: 37° 27' N / 122° 11' W

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Clock changes in Atherton

Next clock change

Upcoming

Sunday, March 14, 2027

2:00 AM PST3:00 AM PDT

Clocks move forward 1 hour

Sunday, March 8, 2026past
Daylight saving time starts
2:00 AM PST3:00 AM PDT
Clocks move forward 1 hour
Sunday, November 1, 2026past
Daylight saving time ends
2:00 AM PDT1:00 AM PST
Clocks move back 1 hour

Future clock changes, 2027–2030

USA daylight saving time Clock changes worldwide

Sun & Moon details

Sunrise: 6:47 AM
Solar noon: 11:53 AM
Sunset: 4:58 PM
Daylight duration: 10 hr 11 min1 min 48 sec shorter than the previous day

Civil twilight: 6:19 AM – 5:26 PM
Nautical twilight: 5:48 AM – 5:57 PM
Astronomical twilight: 5:17 AM – 6:28 PM

Waxing CrescentMoon illumination26%

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Saturday, November 14, 2026

View Atherton on Savvy Time's time-zone map

Sun

Sunrise: 6:47 AM (southeast, 112.6°)
Sunset: 4:58 PM (southwest, 247.2°)
Day length: 10 hr 11 min1 min 48 sec shorter than the previous day
Solar noon: 11:53 AM (34.2° altitude)

Civil twilight

Dawn to dusk: 6:19 AM – 5:26 PM

Additional twilight

Nautical dawn to dusk: 5:48 AM – 5:57 PM
Astronomical dawn to dusk: 5:17 AM – 6:28 PM

Moon

Phase: Waxing Crescent (26% illuminated)
Moonrise: 11:35 AM (southeast, 121.0°)
Moonset: 9:18 PM (southwest, 240.7°)
Previous principal phase: New Moon — Sunday, November 8, 2026 at 11:02 PM
Next principal phase: First Quarter — Tuesday, November 17, 2026 at 3:48 AM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Saturday, November 14	6:47 AM	4:58 PM	10 hr 11 min	1 min 48 sec shorter than the previous day
Sunday, November 15	6:48 AM	4:57 PM	10 hr 09 min	1 min 46 sec shorter than the previous day
Monday, November 16	6:49 AM	4:57 PM	10 hr 08 min	1 min 44 sec shorter than the previous day
Tuesday, November 17	6:50 AM	4:56 PM	10 hr 06 min	1 min 42 sec shorter than the previous day
Wednesday, November 18	6:51 AM	4:56 PM	10 hr 04 min	1 min 40 sec shorter than the previous day
Thursday, November 19	6:52 AM	4:55 PM	10 hr 03 min	1 min 38 sec shorter than the previous day
Friday, November 20	6:53 AM	4:54 PM	10 hr 01 min	1 min 36 sec shorter than the previous day

Weather forecast for Atherton

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Plan around Atherton

Upcoming public holidays in California

Thu, Nov 26, 2026Thanksgiving Day
Fri, Nov 27, 2026Day after Thanksgiving Day
Fri, Dec 25, 2026Christmas Day

Nearby places

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Frequently asked questions

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