Sentence Examples with the word autumnal equinox

All that is certainly known about the antiquity of the sieu is that they were well established in the 3rd century B.C. Their initial point at the autumnal equinox marked by Kio (Spica Virginis) suits a still later date; and there is no valid evidence that the modern series resulted from the rectification of an older superannuated arrangement, analogous to the Krittika sequence of nakshatras.

In The Calendar, For Example, Which Was Attempted To Be Introduced In France In 1 793, The Beginning Of The Year Was Fixed At Midnight Preceding The Day In Which The True Autumnal Equinox Falls.