Moon phase, moonrise and moonset times in Boulder, Colorado, United States

Current local time 6:15:19 PM (UTC-6)

  • Today, August 7

    • Moonset
      4:37 AM
      Moonrise
      7:31 PM
    • Moon Phase
      Waxing gibbous
      Ilumination
      97%
  • Tomorrow, August 8

    • Moonset
      5:43 AM
      Moonrise
      8:07 PM
    • Moon Phase
      Waxing gibbous
      Ilumination
      100%
  • First Quarter
    1 August
    6:41 AM
  • Full Moon
    9 August
    1:55 AM
  • Third Quarter
    15 August
    11:12 PM
  • New Moon
    23 August
    12:06 AM
  • First Quarter
    31 August
    12:25 AM

August 2025 — Moon in Boulder

IconDateMoonriseMoonsetMoonriseMoon phaseIllumination
August 1 Fri1:55 PM
First quarter
52%
August 2 Sat12:20 AM3:01 PM
Waxing gibbous
62%
August 3 Sun12:59 AM4:05 PM
Waxing gibbous
71%
August 4 Mon1:44 AM5:06 PM
Waxing gibbous
79%
August 5 Tue2:36 AM6:01 PM
Waxing gibbous
87%
August 6 Wed3:35 AM6:49 PM
Waxing gibbous
93%
August 7 Thu4:37 AM7:31 PM
Waxing gibbous
97%
August 8 Fri5:43 AM8:07 PM
Waxing gibbous
100%
August 9 Sat6:49 AM8:39 PM
Full moon
100%
August 10 Sun7:54 AM9:08 PM
Waning gibbous
98%
August 11 Mon9:00 AM9:35 PM
Waning gibbous
93%
August 12 Tue10:04 AM10:03 PM
Waning gibbous
86%
August 13 Wed11:09 AM10:31 PM
Waning gibbous
77%
August 14 Thu12:15 PM11:02 PM
Waning gibbous
67%
August 15 Fri1:21 PM11:38 PM
Third quarter
55%
August 16 Sat2:27 PM
Waning crescent
44%
August 17 Sun12:18 AM3:30 PM
Waning crescent
33%
August 18 Mon1:06 AM4:29 PM
Waning crescent
23%
August 19 Tue2:00 AM5:22 PM
Waning crescent
14%
August 20 Wed2:59 AM6:08 PM
Waning crescent
7%
August 21 Thu4:03 AM6:48 PM
Waning crescent
3%
August 22 Fri5:09 AM7:23 PM
Waning crescent
0%
August 23 Sat6:15 AM7:54 PM
New moon
0%
August 24 Sun7:20 AM8:22 PM
Waxing crescent
2%
August 25 Mon8:25 AM8:49 PM
Waxing crescent
6%
August 26 Tue9:30 AM9:17 PM
Waxing crescent
12%
August 27 Wed10:35 AM9:46 PM
Waxing crescent
19%
August 28 Thu11:41 AM10:19 PM
Waxing crescent
27%
August 29 Fri12:47 PM10:55 PM
Waxing crescent
36%
August 30 Sat1:52 PM11:38 PM
Waxing crescent
45%
August 31 Sun2:54 PM
First quarter
55%
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