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The equinoxes are the two days per year when practically the entire planet has a little over 12 hours of sunlight due to the earth passing the points in its orbit when the direction of the sun's rays is exactly perpendicular to the earth's rotational axis. The vernal equinox is the one that marks the beginning of spring (in March in the northern hemisphere and in September in the Southern Hemisphere), and the autumnal equinox is the one that indicates the beginning of autumn (in March in the southern hemisphere and in September in the northern hemisphere).
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What is the difference between vernal and autumnal 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).
In 2010 when are the vernal and autumnal equinoxes?
For a vernal equinox, it occurs is March 20th. For an autumnal equinox, it occurs September 22nd.
What two seasons do the equinox occur?
The "Vernal Equinox" is the beginning of "Spring" and the end of "Winter". The Autumnal Equinox is the beginning of "Autumn" or "Fall" and the end of "Summer". In the Northern Hemisphere, the Vernal Equinox is in March and the Autumnal Equinox in September each year.
When do you celebrate a solstice?
On a Vernal or autumnal equinox.
What day and night is the same length of the autumnal equinox or the vernal equinox?
Both.
Which of the following are valid names for the equinoxes?
fall equinox partial equinox
What is autumnal vernal equinoxes?
The equinox is either vernal (spring) or autumnal. It can't be both. But spring in the northern hemisphere is autumn in the southern.
When is there longer days in Vancouver than in Florida?
Between vernal equinox and the autumnal equinox.
What is the opposite of a vernal equinox?
The longest day and shortest night occurs on the summer solstice. The shortest day and longest night occurs on the winter solstice. Midway between these points (2x a year) are the equinox, where the day and night are of equal length.
What 2 days of the year do you experience 12 hrs of sunlight?
They would be the vernal equinox and the autumnal equinox.
When does the vernal equinox take place?
On March 20 for the Northern Hemisphere (this is the autumnal equinox in the Southern Hemisphere). The vernal equinox for the Southern Hemisphere will be either September 22 or 23.
What is another name for the first day of Spring?
That is the Vernal Equinox; as opposed to the first day of Fall's Autumnal Equinox.
