coequate

verb

1. (transitive)To make equal to each other.

   “[…] Sept. the 12th Day, 29 minutes past 8 in the Morning, at which time the Sun touches the first Scruple of the Equinoctial Sign Libra, coequating the Days with the Nights again throughout the whole World, and may not improperly be called a second Spring; for fuch it is to all those Inhabitants of the Earth who reside on the other side of the Equinoctial Line.”