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The Sun over Palo Alto

37.43° N · 122.11° W · · updated  

Analemma · the sun at noon

20°30°40°50°60°70°80°167°177°azimuthJan 1 — alt 29.6°, az 176.8°JanJan 8 — alt 30.3°, az 175.9°Jan 15 — alt 31.4°, az 175.1°Jan 22 — alt 32.9°, az 174.4°Jan 29 — alt 34.6°, az 173.8°Feb 5 — alt 36.6°, az 173.3°Feb 12 — alt 38.8°, az 172.9°Feb 19 — alt 41.3°, az 172.8°Feb 26 — alt 43.8°, az 172.7°Mar 5 — alt 46.5°, az 172.8°MarMar 12 — alt 49.3°, az 173.1°Mar 19 — alt 52.1°, az 173.5°Mar 26 — alt 54.9°, az 173.9°Apr 2 — alt 57.6°, az 174.5°Apr 9 — alt 60.3°, az 175.0°Apr 16 — alt 62.9°, az 175.6°Apr 23 — alt 65.3°, az 176.1°Apr 30 — alt 67.5°, az 176.5°May 7 — alt 69.5°, az 176.6°May 14 — alt 71.3°, az 176.5°May 21 — alt 72.8°, az 176.0°May 28 — alt 74.1°, az 175.1°Jun 4 — alt 75.0°, az 173.9°JunJun 11 — alt 75.6°, az 172.4°Jun 18 — alt 75.8°, az 170.9°Jun 25 — alt 75.7°, az 169.5°Jul 2 — alt 75.3°, az 168.5°Jul 9 — alt 74.6°, az 168.0°Jul 16 — alt 73.5°, az 167.9°Jul 23 — alt 72.2°, az 168.4°Jul 30 — alt 70.6°, az 169.3°Aug 6 — alt 68.9°, az 170.5°Aug 13 — alt 66.9°, az 171.8°Aug 20 — alt 64.7°, az 173.3°Aug 27 — alt 62.3°, az 174.8°Sep 3 — alt 59.8°, az 176.2°SepSep 10 — alt 57.2°, az 177.6°Sep 17 — alt 54.6°, az 178.8°Sep 24 — alt 51.9°, az 179.9°Oct 1 — alt 49.1°, az 180.8°Oct 8 — alt 46.4°, az 181.5°Oct 15 — alt 43.8°, az 182.0°Oct 22 — alt 41.3°, az 182.3°Oct 29 — alt 38.9°, az 182.5°Nov 5 — alt 36.7°, az 182.4°NovNov 12 — alt 34.7°, az 182.1°Nov 19 — alt 33.0°, az 181.7°Nov 26 — alt 31.5°, az 181.1°Dec 3 — alt 30.4°, az 180.4°Dec 10 — alt 29.6°, az 179.6°Dec 17 — alt 29.2°, az 178.8°Dec 24 — alt 29.2°, az 177.9°Dec 31 — alt 29.5°, az 176.9°This week — alt 73.5°, az 167.9°today

The sun's altitude and azimuth at local standard noon for every week of the year. The figure-eight is the sum of Earth's tilt and its elliptical orbit; the marked point is this week.

Sun's path · today

30°60°NESWN060912151821Moon now — alt 36.6°, az 253.5°Sun now — alt 14.6°, az 285.8°

The sun's track across today's sky, midnight to midnight, with a dot every hour; the moon's path is dashed. The bands below the horizon line are the civil, nautical and astronomical twilight depths.

The Sun now

Azimuth285.8°
Altitude14.6°
Right ascension116.5°
Declination21.2°

Twilights & rise/set · today

Start astronomical twilight4:11 AM
Start nautical twilight4:52 AM
Start civil twilight5:30 AM
Sunrise6:00 AM
Transit1:14 PM
Sunset8:28 PM
End civil twilight8:58 PM
End nautical twilight9:35 PM
End astronomical twilight10:16 PM

Daylight

Today
14 h 27 m
75 s shorter than yesterday
Solar noon
1:14 PM
altitude 73.8°
Tomorrow sunrise
6:01 AM
 
Tomorrow sunset
8:27 PM
 

Seasons

equinoxSep 22
solsticeDec 21

The solar year

Jan 1 — daylight 9h 38mJan 8 — daylight 9h 44mJan 15 — daylight 9h 52mJan 22 — daylight 10h 03mJan 29 — daylight 10h 15mFeb 5 — daylight 10h 29mFeb 12 — daylight 10h 44mFeb 19 — daylight 10h 59mFeb 26 — daylight 11h 15mMar 5 — daylight 11h 32mMar 12 — daylight 11h 49mMar 19 — daylight 12h 06mMar 26 — daylight 12h 23mApr 2 — daylight 12h 39mApr 9 — daylight 12h 56mApr 16 — daylight 13h 12mApr 23 — daylight 13h 28mApr 30 — daylight 13h 43mMay 7 — daylight 13h 56mMay 14 — daylight 14h 09mMay 21 — daylight 14h 20mMay 28 — daylight 14h 30mJun 4 — daylight 14h 37mJun 11 — daylight 14h 42mJun 18 — daylight 14h 44mJun 25 — daylight 14h 44mJul 2 — daylight 14h 41mJul 9 — daylight 14h 35mJul 16 — daylight 14h 27mJul 23 — daylight 14h 18mJul 30 — daylight 14h 06mAug 6 — daylight 13h 53mAug 13 — daylight 13h 39mAug 20 — daylight 13h 24mAug 27 — daylight 13h 09mSep 3 — daylight 12h 53mSep 10 — daylight 12h 36mSep 17 — daylight 12h 20mSep 24 — daylight 12h 03mOct 1 — daylight 11h 47mOct 8 — daylight 11h 30mOct 15 — daylight 11h 14mOct 22 — daylight 10h 58mOct 29 — daylight 10h 42mNov 5 — daylight 10h 28mNov 12 — daylight 10h 14mNov 19 — daylight 10h 02mNov 26 — daylight 9h 52mDec 3 — daylight 9h 44mDec 10 — daylight 9h 38mDec 17 — daylight 9h 35mDec 24 — daylight 9h 34mDec 31 — daylight 9h 37m000306091215182100JanFebMarAprMayJunJulAugSepOctNovDectoday

Sunrise, sunset and solar noon for every week of the year, over the same twilight bands as the ladder above; the vertical line is today. Times are local clock time, so the daylight-saving steps in spring and fall are real; the dashed solar-noon curve carries the equation of time.

Calculated with Skyfield, JPL's DE421 ephemeris and the Hipparcos star catalog (Credit: ESA).

PaloAltoWeather.com ©2019-2026 by John A Kline.
Contact: weatherman@paloaltoweather.com
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