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In the Northern hemisphere, daylight hours decrease after the autumnal equinox.
During the northern hemisphere winter, the days are longer in the southern hemisphere, because it is summer there. During the southern hemisphere's winter the days are short.
Seasonal variations in the length of days as well as in climate are the result of the tilt of the Earth's axis, which results in the Northern Hemisphere being pointed slightly away from the sun during the winter, slightly toward the sun in the summer, and perpendicular to the sun during the spring and autumn.
When night and day are approximately of equal length occurs twice per year. In the northern hemisphere these days are called the Vernal Equinox (20-21 March) and the Autumnal Equinox (22-23 September). However, as these seasons are reversed in the southern hemisphere, current usage is the March Equinox and the September 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.
We don't have your statement, but you are asking about the equinox.
After the Vernal Equinox the days get shorter as winter approaches.
Between vernal equinox and the autumnal equinox.
No. At an equinox, which happens in March and September, the amount of daylight and darkness are about equal.
In the Northern hemisphere, daylight hours decrease after the autumnal equinox.
After the Autumn equinox in March, days start to get noticeably shorter, while the nights are longer. This then goes the opposite way after the vernal equinox in September.
The North has shorter days between the Autumnal equinox and the Spring equinox, and longer days for the other half of the year. In the South, it is the other way around. Averaged over the course of a year the day lengths are the same.
During Spring (Vernal Equinox) - March 20th or 21st = Equator During Fall (Fall Equinox) - September 22nd and 23rd = Equator (Yeah, the sun's rays are most direct on the equator during Spring and Fall) especially the days I mentioned above. The Equinox's
The spring equinox is March 21, The fall equinox is September 23
Due to the axial tilt of the Earth, from September 21st (the Autumnal Equinox) forward, the amount of sunlight that reaches the Northern Hemisphere will be decrease more and more, up until the Winter Solstice (December 21st). So, during that period, the days will be shortened. After that date (Dec 21), they will grow longer, up until the Vernal Equinox.
Equinox
During the northern hemisphere winter, the days are longer in the southern hemisphere, because it is summer there. During the southern hemisphere's winter the days are short.