The Last Lit Evening

At 40.7°N, a child with a 7:30pm bedtime gets 143 lit evenings a year. The last one falls on August 31.

Sometime in late August, it happens without announcement. You put your child to bed and the window is dark. Not later — right now. The sun is already gone.

Your last lit evening

Enter your city and your child's bedtime. We'll tell you how many lit evenings you get — and the date they end.

7:30 pm

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Sources

Sunset times computed from standard solar equations. Foliage color sampled from the PhenoCam Network, Harvard Forest site, ORNL DAAC.