It is the time and date, twice each year when the sun crosses the equator. It makes night and day equal all over the Earth. In Spring March 21st and in Autumn September 22nd.
liedlihqwlkhdaLDHLISHLSAD'S Equinoxes occur four times a year. The Vernal Equinox occurs in March, the Summer Solstice occurs in June, the Autumn Equinox occurs in September, and the Winter Solstice occurs in December.
September 22
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 equinox is the only day of 12 hours of night and day. It Occurs every spring and fall.
equinox.
The fall equinox occurs in September in the Northern Hemisphere.
liedlihqwlkhdaLDHLISHLSAD'S Equinoxes occur four times a year. The Vernal Equinox occurs in March, the Summer Solstice occurs in June, the Autumn Equinox occurs in September, and the Winter Solstice occurs in December.
Spring equinox occurs around March 20 and Fall equinox occurs around September 22 for the Northern Hemisphere. For the Southern Hemisphere these dates are opposite; the Spring equinox is around September 22 and the Fall equinox occurs around March 20.
For a vernal equinox, it occurs is March 20th. For an autumnal equinox, it occurs September 22nd.
The spring Equinox occurs on April 21 st. The fall Equinox is on September 21 st. The summer Solstice occurs on June 21 st and the winter Solstice occurs on December 21 st.
The spring Equinox occurs on April 21 st. The fall Equinox is on September 21 st. The summer Solstice occurs on June 21 st and the winter Solstice occurs on December 21 st.
liedlihqwlkhdaLDHLISHLSAD'S Equinoxes occur four times a year. The Vernal Equinox occurs in March, the Summer Solstice occurs in June, the Autumn Equinox occurs in September, and the Winter Solstice occurs in December.
The Sun is directly overhead the equator two times per year, known as the Equinoxes. In the northern hemisphere, the Spring Equinox occurs on March 20 and the Fall Equinox occurs on September 22.
during an equinox there are exactly 12 hours of day and 12 hours of night
March 21
It's when the Sun is directly over the equator and the duration of the days and nights are the same. It occurs on March 20th (Vernal). For the autumnal equinox, it occurs on September 22nd.
The full moon which occurs within a fortnight of the Autumn equinox is called the Harvest Moon.