Boulder Sunrise / Sunset Times

    • First Light

      6:35 am
    • Sunrise

      7:05 am
    • Sunset

      4:36 pm
    • Last Light

      5:06 pm
    • First Light

      6:36 am
    • Sunrise

      7:06 am
    • Sunset

      4:35 pm
    • Last Light

      5:06 pm
    • First Light

      6:37 am
    • Sunrise

      7:07 am
    • Sunset

      4:35 pm
    • Last Light

      5:05 pm
    • First Light

      6:38 am
    • Sunrise

      7:08 am
    • Sunset

      4:35 pm
    • Last Light

      5:05 pm
    • First Light

      6:39 am
    • Sunrise

      7:09 am
    • Sunset

      4:35 pm
    • Last Light

      5:05 pm
    • First Light

      6:39 am
    • Sunrise

      7:10 am
    • Sunset

      4:35 pm
    • Last Light

      5:05 pm
    • First Light

      6:40 am
    • Sunrise

      7:10 am
    • Sunset

      4:35 pm
    • Last Light

      5:05 pm
Boulder Sun forecast calculated mathematically.

Boulder Sun Times Statistics

Daylight Hours

Solar Events

  • Autumnal Equinox Day/Night Nearly Equal

    22 September, 2025
  • Spring Equinox Day/Night Nearly Equal

    20 March, 2025
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