If you’ve ever been headed northbound on Madison Avenue and at 118th Street noticed the Subway and the curious ‘sculpture’ on the wall next to the restaurant, you may have been puzzled as to what’s going on with what looks like a sundial.
You’re right to be confused because something clearly was messed up between the designer and the installer. The sundial is upside down:
The photo (above) was taken around 8 in the morning, yet seems to be indicating that it’s 9 pm at night.
What has happened is the gnomon has been mounted upside down, and as a consequence, the numbers and their position make no sense.
Take a look at the image below, with a gnomon correctly aligned on a downward 45 degree slope:
If you’d like to try making one yourself, here’s a great place to start:
The Harlem Cultural Festival
The Harlem Cultural Festival of 1969’s original poster, highlighting the acts and activities