Is the equinox really when day = night? Tweet this ⇒ http://bit.ly/OKTBSeq Share on FB ⇒ http://bit.ly/OKTBSeqFB ↓ More info and sources below ↓ Calculate day length where you live...
========== [MUSIC]It was easy for our ancestors to figure out
that every year, one day had the fewest hoursof daylight, and one day had the most, and
these made an easy way to divide the yearin half.Since we love organizing things, we divided
it again, marking days halfway between thetwo.The equinoxes: the day when there’s equal
day and night.Except day and night on the equinoxes isn't
equal.And they’re not halfway between the shortest
and longest days of the year.The equinox probably isn’t what you think
it is.[MUSIC]Instead of being a whole day, the equinox
is one very specific moment, when Earth’saxis isn't pointing toward or away from the
sun at all, which is also when the centerof the sun crosses the equator.But if exactly half of Earth is bathed in
dar...