Mars 2025 Calendar. Also holidays, red days, flag days, namedays, days off, and dates for easter, pentecost, and midsummer. A geocentric ephemeris is a table that gives the celestial coordinates of an astronomical object.

So go ahead — pull out your calendar, or your 2025 astro planner, and highlight the dates you want to pay attention to this year. 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,.