Planet Alignment October 2025 Time. This astronomy calendar of celestial events contains dates for notable astonomical events in 2025 including moon phases, meteor showers, eclipses, planetary alignments, occultations, oppositions, conjunctions, comets, asteroids, and astronomy events. Get ready to witness the planetary alignment.

A planetary alignment is an astronomical event in which three or more planets align in a straight line in their respective orbits from earth’s perspective. Get ready to witness the planetary alignment.