What time is sunrise in Boulder?

Sunrise in Boulder today is at 05:26.

What time is sunset in Boulder?

Sunset in Boulder today is at 18:41.

What is the moon phase tonight in Boulder?

The moon is currently in its Full Moon phase with 97.4% illumination.

When is the golden hour in Boulder?

The evening golden hour in Boulder runs from 18:04 to 18:41.

Boulder

Summary

Today in Boulder, daylight begins at 05:26 and ends at 18:41. With 13.2 hours of daylight, today is shorter compared to yesterday. Tonight's sky features a Full Moon moon, 97% lit. For the best natural lighting, head out between 18:04 and 18:41.

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Sun

Sunrise

05:26

Sunset

18:41

Solar Noon

12:03

Day Length

13h 14m

Morning Golden Hour

05:26 – 06:02

Evening Golden Hour

18:04 – 18:41

Civil Dawn / Civil Dusk

04:58 – 19:09

Nautical Dawn / Nautical Dusk

04:24 – 19:42

Astronomical Dawn / Astronomical Dusk

03:49 – 20:17

Moon

Phase

Full Moon

Illumination: 97.4%

Moonrise

18:50

Moonset

06:53

Event Details

Coords: 40.0150, -105.2706

2026-08-29

Etc/GMT+7