"solar year." YourDictionary, n.d. Web. 12 October 2018. <http://www.yourdictionary.com/solar-year>.
solar year. (n.d.). Retrieved October 12th, 2018, from http://www.yourdictionary.com/solar-year
The period of time required for the earth to make one complete revolution around the sun, measured from one vernal equinox to the next and equal to 365 days, 5 hours, 48 minutes, 45.51 seconds. Also called astronomical year . Also called tropical year .