Are winter nights longer than summer nights

Because the Earth's axis is tilted, the Earth's rotation causes the Northern Hemisphere to have longer nights than days in winter. In the Southern Hemisphere, on the contrary, the day is longer than the night in winter The earth has a yellow and red angle, yellow is the direct point of the sun, the red is the equator, because of this, there is a Tropic of Cancer 23 degrees 26 minutes, the direct sun will move between the Tropic of Cancer throughout the year, in winter, the direct point of the sun is on the Tropic of Capricorn, at this time the Antarctic polar day, the North Pole polar night, and the equator equinox day and night throughout the year, in winter, the morning and dusk line cut the earth like a knife, at this time most of the northern hemisphere is covered by night. Beg.

The sun is in the Tropic of Cancer in summer, the Tropic of Cancer in winter, and the equator in spring and summer.

The heat and cold of summer and winter are not determined by the distance between the earth and the sun, because the orbit of the earth is almost circular, mainly due to the length of time the sun shines.

The earth's autobiographical axis is not perpendicular to the orbital plane around the sun, there is an angle of degrees, so that the earth has a cycle of illumination at different latitudes at different positions in the orbit, in summer, the northern hemisphere has a long illumination time, the southern hemisphere is winter, the illumination time is short, there are two points of the summer solstice and winter solstice, only at the spring and autumn equinoxes, the illumination time of the northern and southern hemispheres is the same, specifically, on the summer solstice, the Tropic of Cancer becomes the equator, on the contrary, during the winter solstice, the Tropic of Cancer becomes the actual equatorial line. Summer in the Southern Hemisphere begins.

As for the long days in summer and the short days in winter, there is a direct relationship with latitude, the closer to the poles, the more obvious it is, and it is not obvious near the equator, which is related to the spherical surface, in the Arctic Circle, the beginning of the spring equinox to the autumn equinox, is an eternal day, there is no night, on the contrary, there is half a year of night, because the sun shines for a long time in summer.

In winter, the days are short and the nights are long, and in the summer, the days are long and the nights are short.

In winter, the daylight hours are short and the nights are long, and in the summer, the daylight hours are long and the days are long.

The Earth's autobiographical axis is not perpendicular to the orbital plane around the Sun, with an angle of 66. 5 degrees, therefore, the illumination of the Earth in orbit at different latitude locations, has a cycle in the summer, in the Northern Hemisphere.

The light time is long, that is, the southern hemisphere winter, the light time is short, there are two points on the summer solstice and winter solstice, only the spring equinox, the light in the north and south hemispheres is in the summer solstice, the Tropic of Capricorn.

became the equator, and on the winter solstice, the Tropic of Cancer became the actual equator.

The Southern Hemisphere turned into summer. Summer actually refers to the time of year when the Sun is directly above the Tropic of Capricorn, while winter refers to the time of year when the Sun is directly above the Tropic of Capricorn. When the sun is directly above the Tropic of Cancer in the summer, the days are longer because the Tropic of Cancer is closer to us.

When the sun is located in the Tropic of Capricorn in winter.

When directly above, it's farther away from us, so the days are shorter. So the days in the summer are longer than the days in the winter. The Sun is almost directly above the Tropic of Capricorn, the highest latitude the Sun can reach in a year in the Northern Hemisphere.

It is also a day of year in the Northern Hemisphere, with longer days at higher latitudes. After the summer solstice, the point of direct sunlight begins to shift southward, and the days begin to shorten in the Northern Hemisphere. Thus, in the summer, the Northern Hemisphere is closer to the point of direct sunlight and therefore has longer days, while in the winter, when the Northern Hemisphere is farther away from the point of direct sunlight, the days are shorter.

The long days and short nights in summer and the short days and long nights in winter are due to the rotation of the earth.

This results in the alternation of day and night in various parts of the earth's surface, and the point of direct sunlight from the sun.

determines the length of day and night.

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This is related to the rotation of the earth, and the sun returns to the Tropic of Cancer in the summer, so the sunshine hours are longer.

Because the sun is always in the Tropic of Cancer in the summer, we are farther away from the Tropic of Cancer, so the days are longer, and in the winter the sun is in the Tropic of Capricorn, so the days are shorter.

Because the sun is always at the Tropic of Cancer in summer, we see longer days, and the sun in winter is always at the Tropic of Capricorn.

Long evenings.

In winter, the days are short and the nights are long because the presence of the yellow and red angles causes the direct point of the sun to move back and forth between the Tropic of Cancer and the Tropic of Capricorn.

In summer, the sun shines directly over the Northern Hemisphere.

The morning line slopes to the west, and the dusk line slopes to the east.

In the Northern Hemisphere, the daylight range becomes larger, so the days are longer and the nights are shorter.

Climatic characteristics. The beginning of winter, which means that winter begins here, is traditionally the beginning of winter with the 24 solar terms "beginning of winter".

"Beginning of winter" means that wind, rain, humidity, light, temperature, etc., are at a turning point, gradually transitioning from autumn to winter. In winter, the direct sun point moves south to the Tropic of Capricorn and then turns back to the north.

At the beginning of winter, the Sun has reached 225 degrees of ecliptic longitude and the Earth is located at 16°19 declination'The height of the sun in the northern hemisphere has become smaller, the daylight hours have shortened, and the northern hemisphere has less and less radiation from the sun, but because the heat stored on the surface in the second half of the year still has a certain amount of energy, it is not very cold. During the Mengdong (beginning of the winter solstice and light snow), when it is sunny and windless, there is often a "small spring" weather with a beautiful wind and sunshine, warm and comfortable, and there is a saying of "October Xiaoyangchun" in the folk.

In some parts of the south, the early winter (Mengdong) is generally not very cold during this period, but as time goes on, the cold air frequently moves south, and the temperature gradually drops. In the northern region, it is very cold from the beginning of winter to spring, and the climate change of several solar terms in winter is not obvious, and snow is the main feature of winter in the north.

As the saying goes, winter is "short". It refers to the long day hours and the short night hours.

Behind this phenomenon is actually a very simple geographical common sense - the movement of the sun and the change of the angle of the sun's altitude.

You can start with the 24 solar terms to understand this phenomenon more intuitively.

Among the 24 solar terms, there are four solar terms that mark the most seasonal movement of the sun, which are the spring equinox, summer solstice, autumn equinox, and winter solstice.

Vernal equinox: The sun moves to the equatorial position, and the day and night are of equal length.

Summer solstice: The sun moves to the Tropic of Capricorn, and on the day of the summer solstice, the days in the Northern Hemisphere reach the longest and the nights reach the shortest.

Autumnal equinox: The sun removes from the Tropic of Cancer to the equator, and day and night are once again of equal length.

Winter solstice: The sun moves from the equator to the Tropic of Capricorn, and on the day of the winter solstice, the days reach their shortest and the nights reach their longest in the Northern Hemisphere.

China is located in the northern hemisphere and the eastern hemisphere.

The changes of day and night will also change slightly with the movement of the sun.

From the spring equinox to the summer solstice, the days gradually become longer and the nights become shorter. Summer solstice (longest days and shortest nights).

From the summer solstice to the autumnal equinox, the days gradually become shorter and the nights gradually longer. Autumnal equinox (day and night are of equal length).

From the autumnal equinox to the winter solstice, the days gradually become shorter and the nights gradually become. Winter solstice (shortest days and longest nights).

From the winter solstice to the spring equinox, the days gradually become longer and the nights gradually shorter. Vernal equinox (equal length of day and night).

From a life experience perspective.

Taking North China as an example, it will be dark at about half past four in the afternoon in winter, and the sunrise time will be about seven o'clock in the morning, and the daylight time of the whole day is about nine to ten hours; In the same way, taking North China as an example, in summer, it is not dark at seven o'clock in the evening, and the sunrise time is about four o'clock in the morning, and the daytime is about ten hours a day.

With the contrast between winter and summer in terms of the length of days and nights, it is even more significant that the days in winter are shorter.

In winter, the shortest day hours are in the North Pole, and there will be a long period of polar night weather, and there is no day at all; At the same time, there will be polar day weather in Antarctica, and there will be no night at all.

This is a better way to use the knowledge of the sun's motion to visually explain why winter is "short".

This is because the sun shines directly on the Tropic of Capricorn in winter, so the daylight hours in the northern hemisphere are not particularly abundant and short.

I like summer very much, because it is longer, so many people will have more time to do what they want to do. Why is it that the days are very long and the nights are very short in the summer, but the nights are very long and the daylight hours are very short in the winter?

If you have studied geography in high school, you may have a clear understanding of this problem. However, here I will explain in detail why the days are very long in the summer and the nights are very short, but in the winter the nights are very long and the days are very short. The direct point of the sun is not fixed, the point of direct sunlight is constantly moving, so the earth's surface will also receive different amounts of solar radiation, so this change can be demonstrated by the length of day and night and the angle of solar altitude.

If it is summer in the Northern Hemisphere, then the sun shines directly in the Northern Hemisphere at this time, so the days will be longer and the nights will be shorter. If it is winter in the northern hemisphere, then the sun shines directly in the southern hemisphere at this time, so the higher the latitude, the longer it is, so everyone will feel that the winter nights are very long.

If you take the Northern Hemisphere as an example, if you all live in the Northern Hemisphere, it's summer. Therefore, the sun will shine directly in the northern hemisphere at this time, and the higher the latitude, the longer the daylight hours, and on the summer solstice, it is equinoxical to day and night. At this time, the latitudes of the Northern Hemisphere can reach their maximum of the year, and the Arctic Circle may experience polar daylight.

If it's winter in the Northern Hemisphere, then the sun will shine directly in the Southern Hemisphere, so the higher the latitude in the Northern Hemisphere, the longer the nights, but the shorter the daylight hours. On the day of the winter solstice, the days in the northern hemisphere can reach the lowest of the year at all latitudes, so the phenomenon of polar night occurs.

On the day of the spring and autumn equinoxes, the sun shines directly on the equator, and the day and night are equal in length at this time. Therefore, it is 12 hours each during the day and 12 hours at night. So in the summer, the daylight hours are very long, and the night hours are very short, but in the winter, the nighttime hours are very long, and the daytime hours are very short, because of the rotation of the earth.

When the sun is shining directly in the northern hemisphere, it will make us feel that the day time is very long, and when the sun is directly shining in the southern hemisphere, it will make us feel that the night time is very long, and it is also because the earth is rotating all the time, so half of the time in the year, the sun is directly in the northern hemisphere, and half of the time is in the southern hemisphere.

Because the direct point of the sun is not fixed, the direct point of the sun will constantly move, and then the surface of the earth will receive sunlight will also change constantly. If it's summer in the Northern Hemisphere, then the sun will shine directly on the Northern Hemisphere, and the days will be longer and the nights shorter, and vice versa.

When the summer sun shines directly on the Tropic of Cancer and the height of the sun reaches its maximum at noon, the days will be longer and the nights will be shorter in various parts of the Northern Hemisphere.

Because the earth itself revolves around the sun, in winter the sun is located on the south side of the earth, and the light hours are short, that is, the daylight will become shorter, the day will be late and the darkness will be early. In winter, the time of daylight varies depending on the region, but in most areas it is around half past six, and in the western region it will be a little later, not more than half past seven at the latest.

There are many factors that affect sunrise, mainly including longitude, latitude, and altitude. In winter, the higher the dimension, the later the dawn will be, which is why around the North Pole or the South Pole, there will be a polar day or a polar night. Similarly, the higher the altitude, the earlier you will see the sunrise.

In winter, the nights are long.

To be precise, the days are long and the nights are short in summer, and the days are short and the nights are long in winter, which is caused by the rotation of the earth and causes the alternation of day and night on the earth's surface, and the distance from the direct point of the sun determines the length of day and night.

During the summer solstice, the sun almost directly hits the Tropic of Capricorn, which is the highest latitude that the sun can reach in the Northern Hemisphere in a year, and it is also the longest day of the year in all parts of the Northern Hemisphere, and the higher the latitude, the longer the daylight hours. After the summer solstice, the direct point of the sun begins to gradually shift southward, and the days begin to gradually shorten in the Northern Hemisphere.

Thus, in summer, the northern hemisphere is close to the direct point of the sun and hence the days are longer, on the contrary, when in winter the days are shorter when they are far from the direct point.

In the winter of the Northern Hemisphere, the days are short and the nights are long.

From the day of the summer solstice, the days are getting shorter day by day. When it comes to the winter solstice, it is the shortest day of the year . After the winter solstice, the days are getting longer and longer. On the summer solstice, the day is the longest day.

The winter solstice is the day with the shortest daylight hours and the longest nighttime hours of the year. After the winter solstice, the days begin to get longer, but the days are still short and the nights are longer. After the spring equinox (the day and night are as long as the day) around March 22, the days begin to be more frequent than the night and the summer solstice is the longest.

Thereafter until the autumnal equinox, from the beginning of the autumnal equinox to the winter solstice, the days are the shortest.

Cycle. This is because the Earth is revolving. The sun is on the winter solstice, and the light fills the south house. When it's the summer solstice, the light shines on the North House. This is because when the earth rotates, the swing angle swings 30 degrees.