Astronomy Picture of the Day · September 21, 2025

Equinox Sunset

The Astronomy Picture of the Day for September 21, 2025 is “Equinox Sunset,” an image. It is credited to Image Credit: Luca Vanzella. The original explanation runs about 160 words.

A city skyline is shown behind some hills and a river. The path of the Sun is shown for several times during a year. Please see the explanation for more detailed information. — Credit: Image Credit: Luca Vanzella Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Does the Sun set in the same direction every day? No, the direction of sunset depends on the time of the year.”

— APOD editors, September 21, 2025

Read the full explanation on science.nasa.gov

At a glance

Date: September 21, 2025
Type: Image
Credit: Credit: Image Credit: Luca Vanzella
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 160 words