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

Moon: 60.0%

Waxing Gibbous

Current Time: Jun 21, 2018 at 2:49:12 am


Sunrise Today: 5:32 am 58° Northeast
Sunset Today: 8:33 pm 302° Northwest


Moonrise Today: 2:22 pm 93° East
Moonset Today: 1:49 am 270° West


Daylight Hours: 15 hours

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

2:49 am

Altitude

-21.9°

Heading

26° NE

Position

Night

Day length

15h 59s

Change since

Winter: +5h 41m

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 – 3:28 am
Astro. Twilight3:28 am – 4:17 am
Nautical Twilight4:17 am – 4:59 am
Civil Twilight4:59 am – 5:32 am
Daylight5:32 am – 8:33 pm
Civil Twilight8:33 pm – 9:06 pm
Nautical Twilight9:06 pm – 9:48 pm
Astro. Twilight9:48 pm – 10:36 pm
Night10:36 pm – 11:59 pm

Sun in Boulder - Next 7 Days

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2018Sunrise/SunsetDaylengthSolar Noon
JunSunriseSunsetLengthDifferenceTimeMil. mi
Jun 215:32 am8:33 pm15:00:59< 1s1:02 pm (73.4°)94.467
Jun 225:32 am8:33 pm15:00:56−0:031:03 pm (73.4°)94.472
Jun 235:32 am8:33 pm15:00:49−0:061:03 pm (73.4°)94.477
Jun 245:33 am8:33 pm15:00:39−0:101:03 pm (73.4°)94.481
Jun 255:33 am8:33 pm15:00:25−0:141:03 pm (73.4°)94.485
Jun 265:33 am8:34 pm15:00:07−0:171:03 pm (73.3°)94.489
Jun 275:34 am8:34 pm14:59:46−0:211:04 pm (73.3°)94.492
* All times are local time for Boulder. Time is adjusted for DST when applicable. They take into account refraction. Dates are based on the Gregorian calendar.

June Solstice (Summer Solstice) is on Thursday, June 21, 2018 at 4:07 am in Boulder. In terms of daylight, this day is 5 hours, 41 minutes longer than on December Solstice. In most locations north of Equator, the longest day of the year is around this date.

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Equinoxes & Solstices 2018

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2018DateTime
March EquinoxMar 2010:15 am
June SolsticeJun 214:07 am
September EquinoxSep 227:54 pm
December SolsticeDec 213:23 pm
* 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 2018 Moon Phases

2:49 am

Altitude

-11.9°

Heading

279° W

Position

Waxing Gibbous

Percent illuminated

60.0%

Moon in Boulder - Next 7 days

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2018Moonrise/MoonsetMeridian Passing
JunMoonriseMoonsetMoonriseTimeDistance (mi)Illumination
Jun 21-1:49 am2:22 pm8:25 pm(45.8°)240,06267.4%
Jun 22-2:19 am3:24 pm9:11 pm(41.3°)242,88576.9%
Jun 23-2:50 am4:26 pm9:57 pm(37.2°)245,37085.1%
Jun 24-3:22 am5:25 pm10:43 pm(33.7°)247,49091.6%
Jun 25-3:57 am6:24 pm11:31 pm(31.1°)249,23796.3%
Jun 26-4:34 am7:20 pmMoon does not pass the meridian on this day.
Jun 27-5:16 am8:12 pm12:19 am(29.3°)250,61099.1%
* All times are local time for Boulder. Time is adjusted for DST when applicable. They take into account refraction. Dates are based on the Gregorian calendar. Illumination is calculated at lunar noon.

See full month's Moon

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Moon Articles

Planets Visible in the Sky in Boulder This Coming Night

 Planetrise/Planetset, Thu, Jun 21, 2018
PlanetRiseSetMeridianComment
MercuryThu 6:45 amThu 9:52 pmThu 2:19 pmSlightly difficult to see
VenusThu 8:35 amThu 11:03 pmThu 3:50 pmGood visibility
MarsWed 11:10 pmThu 8:36 amThu 3:53 amPerfect visibility
JupiterThu 4:36 pmFri 2:57 amThu 9:46 pmPerfect visibility
SaturnWed 8:49 pmThu 6:12 amThu 1:30 amPerfect visibility
UranusThu 2:19 amThu 3:42 pmThu 9:00 amDifficult to see
NeptuneThu 12:33 amThu 11:55 amThu 6:14 amDifficult to see
* All times are local time for Boulder.

More about the planets visible in the night sky in Boulder