Autumn.
It is regarded by some as the start of Autumn. There are different perspectives on when exactly Autumn starts, but for some it is the Autumnal equinox.
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.
The northern hemisphere has two seasons at a time. In the northwest, the official first day of fall is September 21st. In the northeast, the official first day of fall is June 21st. Technically, though, if you looked at the real symptoms of fall, the first days of fall would be October 24th in the northwest and May 24th in the northeast.
Autumnal equinox
March Equinox or also known as Vernal Equinox or Spring Equinox.
The first day of Autumn/Fall is called the autumnal equinox.
The Vernal Equinox determines the first day of spring. The Autumn Equinox is what determines the first day of fall.
There are two solstices. they are the summer solstice (first day of summer), and the winter solstices (first day of winter An equinox is when day and night are the same length. like solstices, there are two of them. The Autumn equinox (first day of autumn), and then the spring equinox (first day of spring).
There are two solstices. they are the summer solstice (first day of summer), and the winter solstices (first day of winter An equinox is when day and night are the same length. like solstices, there are two of them. The Autumn equinox (first day of autumn), and then the spring equinox (first day of spring).
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.
The first day of spring is called the vernal equinox or the March equinox.
That is the Vernal Equinox; as opposed to the first day of Fall's Autumnal Equinox.
There are two solstices. they are the summer solstice (first day of summer), and the winter solstices (first day of winter An equinox is when day and night are the same length. like solstices, there are two of them. The Autumn equinox (first day of autumn), and then the spring equinox (first day of spring).
The first day of spring is always March 20, or the spring equinox. It is also called the vernal equinox.
In North America, the first day of fall is considered to be on September's equinox. Every year, there is another equinox around March 20.
The equinox happens on Sept. 22. It marks the first day of autumn.
The first day of spring is called vernal equinox!
The first day of autumn is called the autumnal equinox.