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Portola Valley, CA, USA — Sunrise, Sunset, and Moon Times for Today

Moon: 79.2%
Waning Gibbous
Current Time: May 17, 2025 at 5:39:43 am
Sunrise Today: 5:58 am 65° Northeast
Sunset Today: 8:13 pm 296° Northwest
Moonrise Today: 12:21 am 125° Southeast
Moonset Today: 9:42 am 237° Southwest
Daylight Hours: 14 hours, 15 minutes (+1m 37s)
Location of Portola ValleyLocation

Today's Sun Position in Portola Valley

Time:5:39 am
Altitude:-4.0°
Direction:62° NE
Phase:Civil Twilight

Day length today: 14h 15m 4s (May 17, 2025)

1 minute, 37 seconds longer than yesterday (May 16, 2025)

4 hours, 40 minutes longer than winter solstice (Dec 21, 2024)

29 minutes, 34 seconds shorter than summer solstice (Jun 20, 2024)

Night, Twilight, and Daylight Times in Portola Valley Today

12 am
2 am
4 am
6 am
8 am
10 am
12 pm
2 pm
4 pm
6 pm
8 pm
10 pm
Night12:00 am – 4:13 am
Astro. Twilight4:13 am – 4:52 am
Nautical Twilight4:52 am – 5:28 am
Civil Twilight5:28 am – 5:58 am
Daylight5:58 am – 8:13 pm
Civil Twilight8:13 pm – 8:42 pm
Nautical Twilight8:42 pm – 9:18 pm
Astro. Twilight9:18 pm – 9:58 pm
Night9:58 pm – 11:59 pm

Sun in Portola Valley - Next 7 Days

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2025Sunrise/SunsetDaylengthSolar Noon
MaySunriseSunsetLengthDiff.TimeMil. mi
May 175:58 am8:13 pm14:15:04+1:371:05 pm (72.1°)94.013
May 185:57 am8:13 pm14:16:40+1:351:05 pm (72.3°)94.032
May 195:56 am8:14 pm14:18:13+1:331:05 pm (72.6°)94.052
May 205:55 am8:15 pm14:19:44+1:311:05 pm (72.8°)94.071
May 215:55 am8:16 pm14:21:13+1:281:05 pm (73.0°)94.090
May 225:54 am8:17 pm14:22:39+1:261:05 pm (73.2°)94.108
May 235:53 am8:18 pm14:24:03+1:241:05 pm (73.3°)94.126
* All times are local time for Portola Valley. Time is adjusted for DST when applicable. They take into account refraction. Dates are based on the Gregorian calendar.

See full month's Sun


Today's Moon in Portola Valley

Year 2025 Moon Phases

Moon in Portola Valley - Next 7 days

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2025Moonrise/MoonsetMeridian Passing
MayMoonriseMoonsetMoonriseTimeDistance (mi)Illumination
May 1712:21 am9:42 am-5:00 am(25.4°)244,20079.4%
May 181:01 am10:48 am-5:52 am(28.7°)241,44770.3%
May 191:36 am11:56 am-6:42 am(33.2°)238,37860.0%
May 202:05 am1:04 pm-7:30 am(38.9°)235,08949.0%
May 212:32 am2:13 pm-8:18 am(45.3°)231,76437.6%
May 222:58 am3:23 pm-9:05 am(52.3°)228,62226.6%
May 233:25 am4:35 pm-9:54 am(59.5°)225,95416.7%
* All times are local time for Portola Valley. Time is adjusted for DST when applicable. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

See full month's Moon

Planets Visible in the Sky in Portola Valley This Coming Night

 Planetrise/Planetset, Sat, May 17, 2025
PlanetRiseSetMeridianComment
MercurySat 5:21 amSat 6:59 pmSat 12:09 pmSlightly difficult to see
VenusSat 3:57 amSat 4:25 pmSat 10:11 amGreat visibility
MarsSat 11:30 amSun 1:33 amSat 6:32 pmAverage visibility
JupiterSat 7:44 amSat 10:22 pmSat 3:03 pmAverage visibility
SaturnSat 3:32 amSat 3:23 pmSat 9:27 amAverage visibility
UranusSat 6:01 amSat 8:10 pmSat 1:06 pmVery close to Sun, not visible
NeptuneSat 3:34 amSat 3:34 pmSat 9:34 amVery difficult to see
* All times are local time for Portola Valley.

More about the planets visible in the night sky in Portola Valley