Denver’s last 7 p.m. sunset for the year is Sept. 19th

The 7 p.m. sunset tonight will be the last 7 p.m.-or-later sunset in Denver until Sunday, March 9, 2025.

This year, Denver sunsets will remain in the 6 p.m. hour until Tuesday, Oct. 29, when the sun will set at 6 p.m.

The autumnal equinox will be at 6:44 a.m. on Sunday, Sept. 22. After the autumnal equinox, the sun continues rising later in the morning with nightfall arriving sooner.

In December, sunset times in Denver range between 4:35 p.m. and 4:45 p.m.