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Flag for USA Boulder, CO, USA — Sunrise, Sunset, and Moon Times for Today

Moon: 1.8%

Waning Crescent

Current Time: Sep 29, 2016 at 9:17:16 AM


Sunrise Today: 6:56 AM 93° East
Sunset Today: 6:46 PM 267° West


Moonrise Today: 5:34 AM 84° East
Moonset Today: 6:21 PM 273° West


Daylight Hours: 11 hours, 49 minutes (-2m 36s)

Location of BoulderLocation

Today's Sun Position in Boulder

The Sun's altitude in Boulder today. The horizontal line signifies the horizon, the vertical lines show the times of sunrise and sunset. Altitude and heading are displayed in a separate box. The graph defaults to current time. Hover over it to select a different time. How to use this

Sun's current position over Earth

9:17 AM

Altitude

25.1°

Heading

118° SE

Phase

Daylight

Day length

11h 49m 43s

Change since

Yesterday: -2m 36s

Winter: +2h 30m

Summer: -3h 11m

Night, Twilight, and Daylight Times in Boulder Today

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Day, night, and twilight times in Boulder today. Black is nighttime, light blue is daytime. The darker blue shadings represent the twilight phases during dawn (left) and dusk (right). Hover over the graph for more information. How to use this

Night12:00 AM – 5:26 AM
Astro. Twilight5:26 AM – 5:58 AM
Nautical Twilight5:58 AM – 6:29 AM
Civil Twilight6:29 AM – 6:56 AM
Daylight6:56 AM – 6:46 PM
Civil Twilight6:46 PM – 7:13 PM
Nautical Twilight7:13 PM – 7:44 PM
Astro. Twilight7:44 PM – 8:16 PM
Night8:16 PM – 11:59 PM

Sun in Boulder - Next 7 Days

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2016Sunrise/SunsetDaylengthSolar Noon
SepSunriseSunsetLengthDifferenceTimeMil. mi
Sep 296:56 AM6:46 PM11:49:43−2:3612:51 PM (47.2°)93.097
Sep 306:57 AM6:44 PM11:47:07−2:3612:51 PM (46.8°)93.071
Oct 16:58 AM6:42 PM11:44:30−2:3612:51 PM (46.4°)93.044
Oct 26:59 AM6:41 PM11:41:54−2:3612:50 PM (46.0°)93.017
Oct 37:00 AM6:39 PM11:39:18−2:3612:50 PM (45.7°)92.990
Oct 47:01 AM6:38 PM11:36:42−2:3512:50 PM (45.3°)92.963
Oct 57:02 AM6:36 PM11:34:06−2:3512:49 PM (44.9°)92.936
* All times are local time for Boulder. Time is adjusted for DST when applicable. Dates are based on the Gregorian calendar.

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Equinoxes & Solstices 2016

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2016DateTime
March EquinoxMar 1910:30 PM
June SolsticeJun 204:34 PM
September EquinoxSep 228:21 AM
December SolsticeDec 213:44 AM
* All times are local Boulder time.

Sun Articles

Today's Moon in Boulder

The Moon's path in Boulder today. The horizontal line signifies the horizon, the vertical lines show times and headings of moonrise and moonset. The graph defaults to current time. Hover over it to select a different time. How to use this

Year 2016 Moon Phases

9:17 AM

Altitude

38.6°

Heading

125° SE

Phase

Waning Crescent

Percent illuminated

1.8%

Moon in Boulder - Next 7 days

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2016Moonrise/MoonsetMeridian Passing
SepMoonriseMoonsetMoonriseTimeDistance (mi)Illumination
Sep 295:34 AM6:21 PM-12:01 PM(53.1°)247,4901.5%
Sep 306:32 AM6:51 PM-12:45 PM(49.1°)249,1920.1%
Oct 17:29 AM7:20 PM-1:28 PM(45.1°)250,6020.7%
Oct 28:26 AM7:51 PM-2:11 PM(41.4°)251,6483.2%
Oct 39:22 AM8:23 PM-2:55 PM(38.0°)252,2407.5%
Oct 410:17 AM8:58 PM-3:39 PM(35.2°)252,27913.4%
Oct 511:11 AM9:36 PM-4:25 PM(32.9°)251,67120.7%
* All times are local time for Boulder. Time is adjusted for DST when applicable. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

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Moon Articles

Planets Visible in the Sky in Boulder This Coming Night

 Planetrise/Planetset, Thu, Sep 29, 2016
PlanetRiseSetMeridianComment
MercuryThu 5:26 AMThu 6:09 PMThu 11:48 AMSlightly difficult to see
VenusThu 9:31 AMThu 8:00 PMThu 2:46 PMFairly good visibility
MarsThu 2:05 PMThu 11:00 PMThu 6:32 PMAverage visiblity
JupiterThu 6:43 AMThu 6:43 PMThu 12:43 PMExtremely difficult to see
SaturnThu 12:17 PMThu 9:54 PMThu 5:05 PMAverage visiblity
UranusThu 7:19 PMFri 8:20 AMFri 1:50 AMAverage visiblity
NeptuneThu 5:38 PMFri 4:43 AMThu 11:11 PMDifficult to see
* All times are local time for Boulder.

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