There are two equinoxes: The autumnalequinox marks the start of fall, while the vernal equinox marks the start of spring. The apparent equal hours of daylight and darkness result from the ...
DALLAS — Officially, there are just under a few days of summer left and it'll sure feel like it — the autumnequinox happens at 7:43 a.m. on Sunday, Sept. 22, kicking off the official start of ...