The September equinox can occur at any time from the 21st to the 24th of September.
The fall equinox occurs around September 22 or 23 in the northern hemisphere. This marks the beginning of autumn when day and night are roughly equal in length.
An equinox occurs when the length of the day is equal to the length of the night. Here on Earth, it occurs around March 21 (the Vernal Equinox) and September 21 (the Autumnal Equinox).
the vernal equinox is always on the 21 of march. that's the day I'm righting this. _______________________________ The equinoxes occur on March 21 and September 21, plus or minus one day because of the cycle of leap years. In the northern hemisphere, the vernal equinox is in March, and the autumnal equinox is in September; in the southern hemisphere, it's reversed. In 1978, the vernal equinox in the northern hemisphere was March 20, 1978 at 5: 10 PM GMT.
The vernal equinox occurs in March and marks the start of spring in the Northern Hemisphere, while the autumnal equinox occurs in September and marks the start of fall. During these equinoxes, day and night are approximately equal in length all over the world.
The Answer is September since it is the north
March 20 and September 22
The "autumnal equinox" is a single point in time, not a period. In 2015, the autumnal equinox will happen at 08:20 (UT) on the 23rd September.
the vernal equinox in late April and the autumn equinox in late September
The Fall Equinox of 2014 is on Tuesday, September 23. It will be at 10:29 PM Eastern Standard Time. This is when the day and night are equal.
When the day and night are equal it is called the equinox (means literately equal night). It happens twice a year. Once in the sping called the vernal equinox which occurs on the March,20 or 21 each year. Once in the autumn or fall called the autumnal equinox which happens September, 21 - 22each year.
Autumnal Equinox was 23. September in 1978
Google it. Or read what I have wrote: An Autumnal equinox occurs on September 2. It is a day when the day time approximately equals night time.
The name given to March 21 and September 21 is the "equinox". This is when day and night are nearly equal in length, marking the beginning of spring (vernal equinox) on March 21 and the beginning of autumn (autumnal equinox) on September 21.
September 22
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.
Google it. Or read what I have wrote: An Autumnal equinox occurs on September 2. It is a day when the day time approximately equals night time.
The fall equinox usually falls on September 22nd or 23rd each year. It marks the beginning of autumn in the Northern Hemisphere when day and night are roughly equal in length.