Reminder: today the sun sets EXACTLY in the middle of all the east-west Manhattan streets. That's at 8:17pm. Let's hope for clear weather so this twice-annual event can be recorded accurately on Flickr! [Related: more info at the Daily News and this 2002 Science article from the American Museum of Natural History's Neil deGrasse Tyson.]

Sunsets by andersenKT and Alodie on Flickr.