Those are the days of 12 hours of "day" and 12 hours of "night". When the sun does rise in the east and sets in the west. They are the beginning of spring or fall.
fall equinox partial equinox
It is called equinox. Equinox happened 2 times per year on spring and autumn so called the name spring equinox and autumn equinox.
The adjectives vernal and autumnal mean "of spring" and "of autumn (fall)" respectively. The equinox, when the day and night are even, occurs twice a year. Once in spring and once in autumn (fall) as we move from the extremes of the summer and winter solstices. Therefore we have a vernal equinox (in spring) and an autumnal equinox (in autumn/fall).
The word is "equinoctial" = equal day and night. It occurs twice a year, on the first day of Spring, and the first day of Autumn.
Autumn equinox and spring equinox I believe...
Spring and Autumn/Fall, for the Northern Hemisphere spring equinox is around March 21st and Autumn/Fall Equinox is around September 21st and for the Southern Hemisphere its the exact opposite.
the sun is at 0 degrees during an equinox. It is aligned with the equator.
No i don't think so.
The Autumn equinox and the Spring equinox .
through the fall and the spring equinox alot of things happen during the fall and spring equinox
The spring and autumn equinox.
Spring and Autumn/Fall, for the Northern Hemisphere spring equinox is around March 21st and Autumn/Fall Equinox is around September 21st and for the Southern Hemisphere its the exact opposite.