Longmont — sunrise and sunset times

Calculate the sunrise and sunset times in Longmont, and the day length for any given day of the year.

Start typing the name of the city where you want to find out the sunrise and sunset times.

Longmont — sunrise, sunset, length of day 03/08/2025
Sunrise	06:00:53
Sunset	20:12:17
Day length	14:11:24
Sun at its zenith	13:06:35
Civil dawn	05:30:49
Civil Twilight	20:42:20
Nautical dawn	04:53:48
Nautical Twilight	21:19:21
Astronomical dawn	04:13:19
Astronomical Twilight	21:59:51