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Boulder, CO Sun and Moon Times

Updated: Sun Sep 6th 2026 4:45 AM MDT

Sun & Moon Position Dial

Sun

Sunrise: 6:33 AM

Sunset: 7:25 PM

Daylight left

Moon

Moonrise: 12:35 AM

Moonset: 4:37 PM

Waning Crescent at 20

As of:

Now+5 days+10 days

When does the sunrise and sunset today?

The sun will rise in Boulder today at 6:33am.

The sun will set in Boulder today at 7:25pm.

How much daylight is left?

It is currently nighttime. The next sunrise in Boulder will occur tomorrow on September 7, 2026 at 6:33am.

When does the moon rise and set today?

The moon already rose today at 12:35am in Boulder.

The moon will set today at 4:37pm in Boulder.

The moon is currently above the horizon in Boulder.

The moon reaches its highest point in the sky around 8:36am local time.

Tonight's Moon Phase

Tonight in Boulder, the moon is in the Waning Crescent phase with about 20% illumination.

The next moon phases after tonight are: New moon on September 9, 2026, Waxing crescent on September 13, 2026, First quarter on September 16, 2026.

When is the next Full Moon?

The next Full Moon over Boulder is the Blue Moon, expected on May 29th 2026

Sun and Moon Nearby

Colorado

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