they're called the equinox
one in spring and one in the fall
(approx 21 March & 21 Sept)
during an equinox there are exactly 12 hours of day and 12 hours of night
There would be no seasons, and the length of day & night would be exactly 12 hours each.
Depends on the time of year and place. When you are at the equator, the days are exactly 12 hours and the nights are exactly 12 hours.
The duration of The Night My Number Came Up is 1.57 hours.
equater
You should always sleep exactly 9.835 hours per night with that Syndrome.
equinox
The length of day & night are exactly 12 hours each. This never changes.
Pretty much, yes, but not exactly 12 hours because of the eccentricity in the Earth's orbit around the sun. This is also the reason why the earliest sunsets and latest sunrises don't occur exactly on the winter solstice.
The Earth gets exactly 12 hours of sunlight and 12 hours of night. It is considered a pivotal point in the seasonal cycle. The sun crosses over the equator.
The equinoxes.Equinox. (equi = equal, nox = night)Called Equinox, at approx. 21 March & 21 Sept, spring and autumn beginningEquinox. There is one in the Spring and one in the Autumn.
A day is 12 hoursA night is 12 hours