"equation of time." YourDictionary, n.d. Web. 11 April 2019. <https://www.yourdictionary.com/equation-of-time>.
equation of time. (n.d.). Retrieved April 11th, 2019, from https://www.yourdictionary.com/equation-of-time
equation of time
The difference between time measured from the observed position of the sun and time measured from the position of the mean sun, caused by changes in the earth's orbital speed through the cycle of the seasons. It is the difference between time measured with a sundial and time measured with a clock.