Bruce McClure has served as lead writer for EarthSky's popular Tonight pages since 2004. He's a sundial aficionado, whose love for the heavens has taken him to Lake Titicaca in Bolivia and sailing in the North Atlantic, where he earned his celestial navigation certificate through the School of Ocean Sailing and Navigation. He also writes and hosts public astronomy programs and planetarium programs in and around his home in upstate New York.
By definition, the sun resides at the First Point of Aries on the March equinox. This point has a declination of zero degrees and a right ascension of zero degrees. The ecliptic and celestial equator intersect on the March and September equinoxes. Image credit: Wikimedia Commons