The sunrise time of the Tropic of Cancer on the summer solstice is 5

On the summer solstice, the Tropic of Cancer will rise at 5:16:48. On the summer solstice in the Northern Hemisphere, the sun shines directly on the Tropic of Capricorn, and the daylight hours in the Northern Hemisphere reach the longest of the year.

The detailed calculation method is as follows:

Knowing the latitude a of the direct point of sunlight on the earth, finding the sunrise time of any point on the earth (known latitude b) has obtained a formula: t=12*arccos(tga*tgb) (applicable to the northern hemisphere).

Summer solstice: The direct point of the sun is also at the Tropic of Cancer (the sunrise time and sunset time are symmetrical at 12 noon), a=b=23°26, and the formula t=5:16:48 a.m., the sunset time of the Tropic of Cancer on the winter solstice is 5:16:48 p.m., and the sunset time of the summer solstice is 6:43:12 p.m.

In fact, the atmosphere also has a refractive effect, so the actual sunrise time will be slightly earlier than the time calculated according to the above formula.

On the summer solstice, the length of the day on the Tropic of Cancer is 13 hours and 13 minutes, and the middle of the day is the noon time, 12 o'clock, and the average half of the day length is 6 hours, that is, from sunrise to noon, it is a total of 6 hours, and then 12 hours minus 6 hours, and the final result is the sunrise time, 5 o'clock. I'm going to talk about it in detail when I was in high school

It should be 6 o'clock, is the teacher wrong?

Because at 12 o'clock at noon, push forward 6 hours, it is 6 o'clock.

1. Winter solstice.

Sunrise 07:30

Sunset 16:30

2. Summer solstice.

Sunrise 4:30

Sunset 19:30

3. The spring equinox and the autumn equinox are stuffy.

Sunrise 6: Hood void 00

Sunset 18:00

Winter solstice: Begins when the sun reaches 270° of the ecliptic longitude and is 1 day within the 30-day range around December 22 of the Gregorian calendar or around the 15th day of the 11th lunar month (full moon). On this day, the sun almost directly hits the Tropic of Capricorn, with the shortest day in the Northern Hemisphere, polar night in the Northern Hemisphere, polar day in the Southern Hemisphere, and then the position of direct sunlight moves northward, and the days become longer.

Seventy-two Candidate Explanations of the Lunar Order": "In the middle of November, the final hidden qi is extremely extreme. "Tongwei Filial Piety Aid God Deed":

Fifteen days after heavy snowfall, Douzhizi, for the winter solstice, mid-November (summer calendar). The cathode and the yang begin to arrive, the sun to the south, and gradually grow to also. It can be seen that the winter solstice represents the beginning of the year, and the first "son" of the twelfth spring branch is crowned on the winter solstice, so the lunar eleventh month where the winter solstice is located is also called "the month of Jianzi".

The time of sunrise varies with the season and the latitude of each place. Only on the equator there is no change, where the sunrise is always 6 o'clock and the sunset is 18 o'clock. Traditionally, in the Northern Hemisphere, the winter solstice is the latest time to sunrise, but in fact the latest sunrise is in early January.

The earliest sunrise is not on the summer solstice, but in mid-June.

Characteristics of the summer solstice: Although the summer solstice has the longest day and the highest angle of the sun, it is not the hottest time of the year. Because, close to the surface of the heat, at this time it continues to accumulate, and it does not reach the maximum.

As the saying goes, "the heat is in the dog days", and the real hot weather is calculated based on the summer solstice and the beginning of autumn. From mid-July to mid-August, temperatures are highest across China, with highs of around 40 degrees Celsius in some areas. On the day of the summer solstice, the sun reaches the northernmost point of the year, almost directly hitting the Tropic of Capricorn, and the days in the northern hemisphere reach the longest and become longer the further north they go.

After the summer solstice, the position of direct sunlight on the ground gradually shifts southward, and the days in the Northern Hemisphere become shorter.

Normally, the sunrise time of the summer solstice is 6:34:08 in the morning, and the sunset time is 18:43:12, while the equatorial region is always 6:34:08 in the morning, and the sunset time is different in different places, which can be calculated according to the sunrise time sunrise time = night length 2, sunset time = 24 - sunrise time.

Summer solstice sunrise time and sunset time

The annual summer solstice is an important time for calculating the season in China, under normal circumstances, the sunrise time of the summer solstice is at 6:34:08 in the morning, and the sunset time is at 18:43:12, and the equator is always 6 o'clock sunrise, 18 o'clock sunset, and the sunset and sunset time in different places are different.

Due to the difference in the geographical location of each place in our country, and the time of sunrise is = (24 - day length) 2, sunset time = sunrise time + day length, or there are 24 hours in a day, mainly including day and night, night length = 24 - day length, and 0:00 a.m. can be regarded as the midpoint of night.

So the time of sunrise sunrise time = night length 2 and sunset time = 24 - sunrise time. At the same time, the summer solstice has the longest day and the highest angle of the sun, but it is not the hottest time of the year. Around mid-July and mid-August, temperatures are highest across China.

The direct sun is on the equator on the spring and autumn equinoxes, the direct sun is on the Tropic of Cancer on the summer solstice, and the direct sun is on the Tropic of Capricorn on the winter solstice.

The rotation and rotation of the earth form a yellow-red angle, which produces the periodic changes of the direct sun's point between the Tropic of Cancer, which also forms the periodic changes in climate, the length of day and night, and the height of the sun.

Summer is the season of the year when the days are longest and the sun is at its highest. The starting point is the beginning of spring (February 4 or 5), the beginning of summer (May 5 or 6), the beginning of autumn (August 7 or 8), and the beginning of winter (November 7 or 8) among the 24 solar terms.

The Earth's orbit produces regular changes in weather and seasons, and farmers in traditional agriculture carry out agricultural production according to this, as the proverb goes: "Plant melons and beans before and after the rain".

The yellow-red angle is the direct cause of the astronomical seasons. This is because:

The distribution of solar height at noon with latitude is as follows: low latitude is large and high latitude is small, spring and autumn equinox, decreasing from the equator to the poles; On the summer solstice, it decreases from the Tropic of Cancer to the north and south; On the winter solstice, it decreases from the Tropic of Cancer to the north and south.

Seasonally, north of the Tropic of Capricorn, the height of the sun reaches its maximum at noon around the summer solstice, and reaches its minimum around the winter solstice. South of the Tropic of Capricorn is the opposite. In the area between the Tropic of Cancer and the Tropic of Capricorn, the sun shines directly twice a year.

2022 Summer Solstice Sunrise Time and Sunset Time

In 2022, the summer solstice will be sunrise at 6:34:08 a.m. and sunset at 6:43:12 p.m

The time of sunrise and sunset often changes depending on the season and the latitude of each place. The summer solstice is the day of the year with the longest days and shortest nights in the Northern Hemisphere. Most people have an intuition that the sunrise on the summer solstice should be the earliest of the year and the sunset is the latest.

But in fact, the earliest sunrise of the year usually occurs in early June, before the summer solstice, and the latest sunset is in late June to early July, after the summer solstice. What to pay attention to in the summer solstice health

1. The diet should be light

In the hot season, the diet should be light, and drinking some porridge in the morning and evening can quench thirst and nourish the body. At the same time, peaceful fruits such as apples, grapes, papaya, and loquat are suitable for people of all physiques; In addition to a light diet, because bitter food has the effects of removing dryness and dampness, cooling and relieving heatstroke, and promoting appetite, you can also eat more bitter vegetables, such as bitter gourd, coriander, etc.

2. Exercise should be in the early morning and evening

In the early morning or evening of summer, the weather is cooler, and the air near rivers, lakes, parks, courtyards, etc., is very fresh, and it is also suitable for exercise. Walks, jogging, tai chi, and radio exercises are the best.

On the day of the summer solstice, the position of the sun directly hitting the ground reaches the northernmost point of the year, almost directly hitting the Tropic of Cancer, the Tropic of Cancer passes through China's Yunnan, Guangxi, Guangdong, and Taiwan from west to east.

On the summer solstice, when the sun shines directly on the Tropic of Capricorn, the days in the Northern Hemisphere reach the longest of the year, and the higher the latitude, the longer the day. For the Tropic of Cancer and the regions north of it, the summer solstice is also the day of the year when the sun is at its highest at noon. When the sun moves to 90° of the yellow longitude, it is the node of the summer solstice, which is generally on June 21 and 22 of the Gregorian calendar.

On the summer solstice, the sun shines directly on the Tropic of Capricorn, making it the longest day and shortest night of the year in the Northern Hemisphere. The day length on the Tropic of Cancer is about 15 hours, and the night length is about 9 hours.

The maximum day length is 14 hours and 51 minutes at 20 degrees 13 minutes north latitude, about 30 degrees 14 hours 14 hours north latitude. It is estimated that it will be about 13 hours, 25 minutes, and 30 minutes. The specific data can be found in the second year of junior high school?

High? Student question, there is a diagram in their geography book.

Usually, the sunrise time of the summer solstice is in the early morning. At 6:34:08, the sunset time is at 18:43:12, and the equatorial region is always 6:34:08 sunrise, 18:00 sunset, and the daily and sunset time in different places is different, which can be calculated according to the sunrise time sunrise time sunrise time = night length 2, sunset time = 24 sunrise time.

Under normal circumstances, the sunrise time of the summer solstice is at 6:34:08 in the morning, and the sunset time is at 18:43:12, while the equator is always 6 o'clock sunrise and 18 o'clock sunset, which is different. The time of sunset and sunset in places is different. Due to the difference in the geographical location of each place in our country, and the time of sunrise is = (24 - day length) 2, sunset time = sunrise time + day length, or there are 24 hours in a day, mainly including the day and night of the Mitaka Mori, the night length = 24 - day length, and 0:0 in the morning

00 can be seen as the midpoint of the night.

So the time of sunrise in the town = night length 2, sunset time = 24 - sunrise time. At the same time, the summer solstice has the longest day and the highest angle of the sun, but it is not the hottest time of the year. Around mid-July and mid-August, temperatures are highest across China.