Sunrise and Sunset Times in Boulder, United States
Times forAugust 18, 2026
Sunrise Time
06:16
Sunset Time
19:55
Day Length
13 hours, 38 minutes
Additional Information
First Light (Dawn)
05:13
Last Light (Dusk)
20:59
Moon Phase
Waxing Crescent (20%)
Moon Rise
12:48
Moon Set
22:17
Boulder
United States
Latitude: 40.0150°
Longitude: -105.2705°
Current Weather
Popular Attractions
City Center
⭐ 4.5•Downtown
Cultural District
⭐ 4.3•Arts Area
Historic Site
⭐ 4.4•Old Town