06:04:18 AM
UTC 10:04:18 PM
05:51:45 PM
UTC 09:51:45 AM
Sunrise in Boulder today is at 06:04:18 AM (local time).
Sunset will be at 05:51:45 PM, giving Boulder 11h 47min of daylight today.
Civil twilight begins at 05:39:45 AM and ends at 06:16:17 PM.
Plan your day with the UV index for Boulder
or find the best light for photos during the golden hour in Boulder.
Daylight in Boulder throughout the year
Boulder sits in the subtropical zone, experiencing moderate seasonal daylight changes with mild, sun-rich winters.
On the longest day of the year (December 21), Boulder receives 14.1 hours of daylight,
with sunrise at 04:47 AM and sunset at 06:56 PM.
On the shortest day (June 21), this drops to 10.1 hours —
a difference of 4.0 hours between summer and winter.
The earliest sunrise of the year occurs around December 02 at 04:43,
while the latest sunset falls around January 11 at 19:01.
The evening golden hour in Boulder lasts about 53 minutes in summer
and 52 minutes in winter — typical for this latitude.