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It is called equinox. Equinox happened 2 times per year on spring and autumn so called the name spring equinox and autumn equinox.

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12y ago

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Related Questions

When are day and night the same length and what is the phenomenon called?

The length of day and night is equal at the Vernal and Autumnal equinox.


What day is called when all around the world the day and night are equal?

solstice ?


What is it called when day and night are equal on earth?

It's called an Equinox.


What is the phenomenon called when day and night are the same length?

The length of day and night is equal at the Vernal and Autumnal equinox.


What is it called when day time hours and night time hours are equal?

An Equinox.


How does an equal day and night occur?

An equal day and night occurs twice per year on the summer and winter equinox.


Which date in year does the day and night 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.


Is day and night equal?

no, day is actually longer


Are day and night equal really equal on the equinox?

Yes, during an equinox the length of the day and the length of the night are actually the same.


What is length of the day in a autumnal equinox?

During the Autumn equinox the length of the day and night are nearly equal. The length of the day on the equinox is approximately twelve hours.


What is the name of a day in which the day and night are of equal direction?

Saturday


What is the term for the time when day and night are of equal duration in each hemisphere?

It is a spring equinox