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Flag for U.S.A. Boulder, U.S.A. — Sunrise, sunset, moon times for today

Moon: 48.7%

Waning Crescent

Current Time: Sep 5, 2015 at 7:09:45 AM


Sunrise Today: 6:32 AM 80° East
Sunset Today: 7:26 PM 279° West


Moonset Today: 2:15 PM 293° Northwest


Daylight Hours: 12 hours, 54 minutes (-2m 32s)

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 the box on the right. The graph defaults to current time. Hover over it to select a different time. How to use this

Sun's current position over Earth

7:09 AM

Altitude

6.4°

Heading

86° E

Phase

Daylight

Day length

12h 54m

Change since

Yesterday: -2m 32s

Winter: +3h 34m

Summer: -2h 7m

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 – 4:58 AM
Astro. Twilight4:58 AM – 5:32 AM
Nautical Twilight5:32 AM – 6:05 AM
Civil Twilight6:05 AM – 6:32 AM
Daylight6:32 AM – 7:26 PM
Civil Twilight7:26 PM – 7:54 PM
Nautical Twilight7:54 PM – 8:27 PM
Astro. Twilight8:27 PM – 9:00 PM
Night9:00 PM – 11:59 PM

Sun in Boulder - Next 7 days

2015Sunrise/setDaylengthSolar noon
SepSunriseSunsetLengthDiff.TimeMil. mi
Sep 56:32 AM7:26 PM12:54:00−2:321:00 PM (56.7°)93.719
Sep 66:33 AM7:25 PM12:51:26−2:3312:59 PM (56.3°)93.697
Sep 76:34 AM7:23 PM12:48:53−2:3312:59 PM (56.0°)93.674
Sep 86:35 AM7:22 PM12:46:19−2:3412:59 PM (55.6°)93.651
Sep 96:36 AM7:20 PM12:43:44−2:3412:58 PM (55.2°)93.627
Sep 106:37 AM7:18 PM12:41:09−2:3412:58 PM (54.8°)93.604
Sep 116:38 AM7:17 PM12:38:35−2:3412:58 PM (54.5°)93.580
* 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 2015

2015DateTime
March EquinoxMar 204:46 PM
June SolsticeJun 2110:39 AM
September EquinoxSep 232:22 AM
December SolsticeDec 219:49 PM
* All times are local Boulder time.

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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 2015 Moon Phases

7:09 AM

Altitude

67.0°

Heading

187° S

Phase

Waning Crescent

Percent illuminated

48.7%

Moon in Boulder - Next 7 days

2015Moonrise/setMeridian passing
SepMoonriseMoonsetMoonriseTimeDistance (mi)Illum.
Sep 5-2:15 PM-6:58 AM(67.1°)236,67548.8%
Sep 612:33 AM3:10 PM-7:51 AM(67.8°)240,03237.8%
Sep 71:25 AM3:58 PM-8:43 AM(67.4°)243,08127.8%
Sep 82:20 AM4:42 PM-9:33 AM(66.1°)245,72919.0%
Sep 93:16 AM5:21 PM-10:21 AM(64.0°)247,93811.7%
Sep 104:12 AM5:56 PM-11:07 AM(61.2°)249,7056.0%
Sep 115:08 AM6:28 PM-11:51 AM(57.9°)251,0422.2%
* 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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