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Aspen, CO, USA — Sunrise, Sunset, and Moon Times for Today

Moon: 99.7%
Full Moon
Current Time: Dec 4, 2025 at 9:12:16 pm
Sunrise Today: 7:10 am 119° Southeast
Sunset Today: 4:44 pm 241° Southwest
Moonrise Today: 4:16 pm 54° Northeast
Moonset Today: 7:05 am 305° Northwest
Daylight Hours: 9 hours, 33 minutes (-1m 2s)
Location of AspenLocation

Today's Sun Position in Aspen

Time:9:12 pm
Altitude:-51.1°
Direction:283° W
Phase:Night

Day length today: 9h 33m 23s (Dec 4, 2025)

1 minute, 2 seconds shorter than yesterday (Dec 3, 2025)

8 minutes, 46 seconds longer than winter solstice (Dec 21, 2024)

5 hours, 22 minutes shorter than summer solstice (Jun 20, 2025)

Night, Twilight, and Daylight Times in Aspen 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 – 5:35 am
Astro. Twilight5:35 am – 6:07 am
Nautical Twilight6:07 am – 6:41 am
Civil Twilight6:41 am – 7:10 am
Daylight7:10 am – 4:44 pm
Civil Twilight4:44 pm – 5:14 pm
Nautical Twilight5:14 pm – 5:47 pm
Astro. Twilight5:47 pm – 6:19 pm
Night6:19 pm – 11:59 pm

Sun in Aspen - Next 7 Days

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2025Sunrise/SunsetDaylengthSolar Noon
DecSunriseSunsetLengthDiff.TimeMil. mi
Dec 47:10 am4:44 pm9:33:23−1:0211:57 am (28.5°)91.612
Dec 57:11 am4:44 pm9:32:24−0:5911:58 am (28.4°)91.598
Dec 67:12 am4:44 pm9:31:28−0:5611:58 am (28.3°)91.586
Dec 77:13 am4:44 pm9:30:35−0:5211:58 am (28.1°)91.574
Dec 87:14 am4:44 pm9:29:46−0:4911:59 am (28.0°)91.562
Dec 97:15 am4:44 pm9:29:00−0:4511:59 am (27.9°)91.551
Dec 107:16 am4:44 pm9:28:18−0:4212:00 pm (27.9°)91.540
* All times are local time for Aspen. They take into account refraction. Dates are based on the Gregorian calendar.

See full month's Sun


Today's Moon in Aspen

Year 2025 Moon Phases

Moon in Aspen - Next 7 days

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2025Moonrise/MoonsetMeridian Passing
DecMoonriseMoonsetMoonriseTimeDistance (mi)Illumination
Dec 4-7:05 am4:16 pmMoon does not pass the meridian on this day.
Dec 5-8:20 am5:19 pm12:16 am(78.5°)222,24499.6%
Dec 6-9:25 am6:32 pm1:24 am(78.7°)223,96997.0%
Dec 7-10:16 am7:48 pm2:28 am(76.6°)226,80991.4%
Dec 8-10:55 am9:03 pm3:28 am(72.7°)230,44683.5%
Dec 9-11:27 am10:13 pm4:21 am(67.6°)234,47974.1%
Dec 10-11:52 am11:19 pm5:09 am(61.8°)238,57063.9%
* All times are local time for Aspen. 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 Aspen This Coming Night

 Planetrise/Planetset, Thu, Dec 4, 2025
PlanetRiseSetMeridianComment
MercuryFri 5:26 amFri 3:43 pmFri 10:34 amAverage visibility
VenusFri 6:33 amFri 4:16 pmFri 11:25 amSlightly difficult to see
MarsFri 7:58 amFri 5:14 pmFri 12:36 pmExtremely difficult to see
JupiterFri 7:33 pmSat 10:06 amSat 2:49 amPerfect visibility
SaturnThu 1:08 pmFri 12:45 amThu 6:56 pmGreat visibility
UranusThu 3:46 pmFri 6:06 amThu 10:56 pmAverage visibility
NeptuneThu 1:13 pmFri 1:07 amThu 7:10 pmDifficult to see
* All times are local time for Aspen.

More about the planets visible in the night sky in Aspen