Twice a year the Sun sets between the skyscrapers of the east-west streets of Manhattan. People call this dramatic effect "Manhattanhenge" as the tall buildings are reminiscent of the stone uprights on Salisbury Plain in England.
If the Manhattan street grid were precisely aligned with the compass points, this effect would occur on the spring and autumn solstices, but it actually happens in January and July.
What is an equinox? Find out by reading about
Why Planets Have Seasons.
