Tag: equinox

The equinox means that day and night last exactly the same amount of time, that is, their length is 12 hours each. This is due to the fact that on this day the sun's rays fall perpendicularly on the equator. This phenomenon occurs twice a year, during the spring equinox ...

What are equinoxes? What causes these astronomical events? Find out how they affect the seasons and hours of daylight on each planet. Every six months, once in March and again in September, an equinox splits Earth's day almost in half, giving us about 12 hours of daylight and 12 nights. ...