Home   Sun & Moon   USA   Boulder

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

Moon: 12.6%

Waning Crescent

Current Time: Jan 24, 2017 at 2:23:44 am


Sunrise Today: 7:16 am 114° Southeast
Sunset Today: 5:11 pm 246° West


Moonrise Today: 4:27 am 114° Southeast
Moonset Today: 2:34 pm 245° West


Daylight Hours: 9 hours, 55 minutes (+1m 52s)

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

2:23 am

Altitude

-55.1°

Heading

63° NE

Phase

Night

Day length

9h 55m 7s

Change since

Yesterday: +1m 52s

Winter: +35m 32s

Summer: -5h 5m

Night, Twilight, and Daylight Times in Boulder 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

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 – 5:42 am
Astro. Twilight5:42 am – 6:14 am
Nautical Twilight6:14 am – 6:47 am
Civil Twilight6:47 am – 7:16 am
Daylight7:16 am – 5:11 pm
Civil Twilight5:11 pm – 5:40 pm
Nautical Twilight5:40 pm – 6:13 pm
Astro. Twilight6:13 pm – 6:45 pm
Night6:45 pm – 11:59 pm

Sun in Boulder - Next 7 Days

Scroll right to see more
2017Sunrise/SunsetDaylengthSolar Noon
JanSunriseSunsetLengthDifferenceTimeMil. mi
Jan 247:16 am5:11 pm9:55:07+1:5212:13 pm (31.0°)91.514
Jan 257:15 am5:12 pm9:57:02+1:5412:13 pm (31.2°)91.524
Jan 267:14 am5:13 pm9:58:59+1:5712:14 pm (31.5°)91.535
Jan 277:14 am5:15 pm10:00:58+1:5912:14 pm (31.8°)91.546
Jan 287:13 am5:16 pm10:02:59+2:0112:14 pm (32.0°)91.558
Jan 297:12 am5:17 pm10:05:02+2:0312:14 pm (32.3°)91.569
Jan 307:11 am5:18 pm10:07:07+2:0412:14 pm (32.6°)91.581
* All times are local time for Boulder. Dates are based on the Gregorian calendar.

See full month's Sun

Equinoxes & Solstices 2017

Scroll right to see more
2017DateTime
March EquinoxMar 204:29 am
June SolsticeJun 2010:24 pm
September EquinoxSep 222:02 pm
December SolsticeDec 219:28 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 2017 Moon Phases

2:23 am

Altitude

-22.6°

Heading

96° E

Phase

Waning Crescent

Percent illuminated

12.6%

Moon in Boulder - Next 7 days

Scroll right to see more
2017Moonrise/MoonsetMeridian Passing
JanMoonriseMoonsetMoonriseTimeDistance (mi)Illumination
Jan 244:27 am2:34 pm-9:31 am(30.6°)249,14910.8%
Jan 255:18 am3:23 pm-10:20 am(30.3°)247,1995.4%
Jan 266:06 am4:17 pm-11:11 am(31.0°)244,9521.7%
Jan 276:50 am5:15 pm-12:01 pm(32.7°)242,5820.1%
Jan 287:32 am6:16 pm-12:52 pm(35.3°)240,2400.7%
Jan 298:10 am7:19 pm-1:42 pm(38.8°)238,0403.8%
Jan 308:46 am8:24 pm-2:31 pm(42.8°)236,0479.2%
* All times are local time for Boulder. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

See full month's Moon

Advertising

Moon Articles

Planets Visible in the Sky in Boulder This Coming Night

 Planetrise/Planetset, Tue, Jan 24, 2017
PlanetRiseSetMeridianComment
MercuryTue 5:51 amTue 3:16 pmTue 10:33 amSlightly difficult to see
VenusTue 9:18 amTue 9:06 pmTue 3:12 pmGreat visibility
MarsTue 9:37 amTue 9:33 pmTue 3:35 pmAverage visiblity
JupiterMon 11:35 pmTue 10:48 amTue 5:12 amPerfect visibility
SaturnTue 4:35 amTue 2:01 pmTue 9:18 amAverage visiblity
UranusTue 10:33 amTue 11:29 pmTue 5:01 pmDifficult to see
NeptuneTue 8:59 amTue 8:06 pmTue 2:32 pmExtremely difficult to see
* All times are local time for Boulder.

More about the planets visible in the night sky in Boulder