How many days are there in a solar year?
How many days are there in the lunar calendar year? How long is the Gregorian calendar year? The Gregorian calendar has 365 days a year, and every four years is an operation year, with one more day. The lunar calendar is 354 days a year, and it is moistened seven times in almost nineteen years, once in January.
How many days are there in the Gregorian calendar year? Calendar is a rule for making calendars and arranging years, months and days. Its task is to properly arrange the relationship between year, month and day, specifically determine the number of months and days of a year, and assign a number to each day. The solar calendar is also the Gregorian calendar, which is internationally accepted. The Gregorian calendar is customized based on the time that the earth revolves around the sun for one year, ***365 days, 5 hours, 48 minutes and 46 seconds. The average year is only an integer of 365 days, not a mantissa; A year is divided into 12 months, big month 3 1 day, small month 30 days, and February only has 28 days. The mantissa of four years accumulates to *** 1 day, and is added to February of the fourth year, which is called leap year. So February in leap year has 29 days. The lunar calendar orders a full moon for one month, ***29 and a half days. For the convenience of calculation, the big moon is customized for 30 days and the small moon is customized for 29 days. In 12 months of a year, large and small months are generally arranged alternately. The lunar calendar has only about 354 days a year, and there is no difference between a normal year and a leap year. Because the lunar calendar does not consider the movement of the earth around the sun, there is no fixed time for the changes of the four seasons in the lunar calendar, which cannot reflect the seasons. This is a great shortcoming. In order to overcome this shortcoming, people later decided on a compromise calendar, the so-called yin-yang calendar. The summer calendar still in use in China (some people call it lunar calendar or lunar calendar) is this kind of lunar calendar. Like the lunar calendar, it also customizes a month according to the time when the moon is full and short, which is 30 days for the big month and 29 days for the small month. However, it also adopts the method of adding leap months to make the average number of days in each year close to the number of days in the solar calendar to adjust the four seasons. Every two or three years, there will be an extra leap month in the summer calendar. The earliest source of Gregorian calendar can be traced back to the Gregorian calendar in ancient Egypt. The Nile is the lifeblood of Egypt, and it is precisely because of the need to calculate the flood cycle of the Nile that astronomy and solar calendar in ancient Egypt came into being. Seven thousand years ago, they observed that after Sirius rose at the same time as the sun for the first time, the Nile began to flood in fifty or sixty days, so they took this day as the beginning of the year and calculated that it was July of 19. The first year was set at 360 days, and later it was changed to 365 days. This is the first solar calendar in the world. Later, according to the situation of Nile flooding and agricultural production, they divided the year into three seasons, called flood season, winter and summer. Four months per quarter, 30 days per month, 10 days per week, five days per week. The whole year 12 months, plus five days at the end of the year, is the year-end sacrifice day. This 365-day calendar year was determined by observing Sirius, which is called Sirius Year. It is about 0.25 days away from the tropic year, so the start time of each year is getting earlier and earlier on the calendar. 146 1 calendar year later, each date coincides with the original season, and then gradually leaves. It seems that Sirius year seems to wander around the cycle of the tropic year, so it is also called wandering year and wandering year. The period of 146 1 year is called Sirius period. Later, the Egyptians discovered through astronomical observation that the real cycle of a year is 365.25, but in order to make Egyptian festivals and worship meetings held at the same time and maintain the "sacred" status of religion, monks prefer to keep the fleeting time. Later, a stone tablet with inscriptions in Egyptian and Greek was unearthed, which recorded an order issued by Emperor Ogidi in 238 BC: every four years, after the five-day sacrifice day at the end of the fourth year and before New Year's Day of the following year, an additional day was added to hold the festival celebration of Emperor Ogidi on this day, so that everyone can remember it. Emperor Ogid corrected the defects of the previous calendar, adding a year called a fixed year and other years called indefinite years. The calendars used by the ancient Romans experienced the development process from lunar calendar to lunar calendar and solar calendar. Rome was a small village in Italy in ancient times. The Romans first unified Italy, and then became a great empire across Europe, Asia and Africa. The ancient Roman calendar lasted as early as 65,438+00 months, some 30 days, some 29 days (much like the lunar calendar), and there were more than 70 days off at the end of the year. During the period of romulo, the first king of Rome, there was a name and an order every month. There are 10 months throughout the year, some months have 30 days, some months have 3 1 day, ***304 days, and the other 60 days are year-end rest days. The year when the city was built in Rome, that is, 753 BC was the first year, which was the Roman era. Some European historians use this chronology to record historical events until the end of 17. The second King Nouma made a reform with reference to the Greek calendar, adding the 11th and 12th months, and adjusting the number of days in each month to 1, 3, 5, 8, and 3 1, 2, 4, ... > >
How many days are there in the Gregorian calendar year? What about the lunar calendar? Both the solar calendar and the lunar calendar have a big moon and a small moon, and there are also flat years and leap years.
The big, small, flat and leap months of the solar calendar are fixed, and the months of 1, 3, stare, 7, 8, 10 and 12 are big months, all of which are 3 1 day; 4, 6, 9, 1 1 were aborted, all for 30 days; February has 28 days in a flat month and 29 days in a leap month.
So the solar calendar has 365 days in a normal year and 366 days in a leap year.
The big moon and the small moon in the lunar calendar, as well as the leap moon, are not fixed. The big moon lasts for 30 days and the small moon lasts for 29 days. Its leap month may be a big moon or a small moon.
Therefore, there are 354 and 355 days in normal years and 383, 384 and 385 days in lunar leap years, but 385 days is rare.
How many days are there in the lunar calendar year? The lunar calendar is also called the lunar calendar. The year of the lunar calendar is 354 days, which is calculated according to the fact that the moon revolves around the earth for one month. A year in the lunar calendar is sometimes 12 months and sometimes 13 months. The year of leap month is 13 months. The solar calendar (365 days a year) is more than the lunar calendar (354 days a year) 1 1 day. In order to prevent the solar calendar from getting bigger and bigger, leap months are used to make up for it. 19 has seven leap month years. Generally, it is in beginning of spring before the Lunar New Year, and there is no leap month in the second year. There will be a leap month this year after the Spring Festival in beginning of spring. In a solar year, 1, March, May, July, August, 10 and1February are all 3 1 day, and April, June, September, 1 1 day. February is generally 28 days. February 4th has 29 days. Why is there an extra day? It is because the solar calendar is more than 365 days and 5 hours a year, and there will be an extra day in almost four years. As for February that year, it was 29 days. You just need to divide the AD year by 4, and a year without remainder is 29 days. For example, in 2004, if there is no remainder except 4, then this year's February must be 29 days. In 2005, 2006 and 2007, if there is a remainder after dividing by 4, February in these three years must be 28 days.
How many days are there in the lunar calendar in China? Lunar calendar and solar calendar are also called lunar calendar. The year of the lunar calendar is 354 days, which is calculated according to the fact that the moon revolves around the earth for one month. A year in the lunar calendar is sometimes 12 months and sometimes 13 months. The year of leap month is 13 months.
The solar calendar is also called the Gregorian calendar. A year in the solar calendar is 365 days, which is calculated according to the fact that the earth goes around the sun once a year. The time for the earth to go around the sun is 365 days, a little over 5 hours.
The solar calendar (365 days a year) is more than the lunar calendar (354 days a year) 1 1 day. In order to prevent the solar calendar from getting bigger and bigger, leap months are used to make up for it. 19 has seven leap month years. Generally, it is in beginning of spring before the Lunar New Year, and there is no leap month in the second year. There will be a leap month this year after the Spring Festival in beginning of spring.
In a solar year, 1, March, May, July, August, 10 and1February are all 3 1 day, and April, June, September, 1 1 day. February is generally 28 days. February 4th has 29 days. Why is there an extra day? It is because the solar calendar is more than 365 days and 5 hours a year, and there will be an extra day in almost four years. As for February that year, it was 29 days. You just need to divide the AD year by 4, and a year without remainder is 29 days. For example, in 2004, if there is no remainder except 4, then this year's February must be 29 days. In 2005, 2006 and 2007, if there is a remainder after dividing by 4, February in these three years must be 28 days.
Why is February in the solar calendar 28 days? This is the time when ancient Rome made a calendar. At first, it is assumed that the odd number of the month is 3 1 day and the even number is 30 days. But this year is 366 days, one more day than 365 days, and one day must be taken from 12 months. Because in ancient Rome, the execution of the death penalty was in February, so everyone thought this month was unlucky, so we took one day from mid-February and changed it to 29 days. At that time, a Roman emperor was born in August with 30 days, one day less than the last emperor born in July with 3 1 day. He took another day from mid-February and added it to August. Since then, February in the solar calendar has become 28 days, and August, which should have been 30 days, has become 3 1 day.
How many days are there in the lunar calendar year? Accurately speaking, there are three days in a year 12 months: five big months, seven small months, 353 days (such as 1965), six big months, six small months, 354 days (such as 2005) and seven big months, five small months, 355 days (such as 2005) Six big months, seven small months, 383 days (such as 1993), seven big months, six small months, 384 days (such as 2004), eight big months, five small months, 385 days (such as 2006). The average year of the lunar calendar is 10 to 13 days less than the Gregorian calendar, and the leap year is 17 to 20 days more than the Gregorian calendar.
How many days are there in a month in the solar calendar? Da Yue 3 1 day
Abortion for 30 days
28 days in February (normal year) and 29 days in leap year.
How many days are there in the lunar calendar year? The lunar calendar, also known as the summer calendar, is said to have originated in the Xia Dynasty in China. Very scientific and practical, so it has been passed down to this day. The lunar calendar is divided into four seasons, twenty-four solar terms and annual festivals according to the natural days of the whole year. The twenty-four solar terms of the lunar calendar include: beginning of spring, rain, fright, vernal equinox, Qingming and Grain Rain; Long summer, xiaoman, mangzhong, summer solstice, summer heat, summer heat; Beginning of autumn, first ripe, white dew, autumnal equinox, cold dew, early autumn frost; Beginning of winter, light snow, heavy snow, winter solstice, slight cold, cold winter. In addition, the months in the whole year are set according to the cycle of the moon phase change. That is, the big month is 30 days and the small month is 29 days. The first day of each month in the lunar calendar is called "New Moon" and the fifteenth day of each month is called "Hope". On the "new moon" day, the moon runs between the sun and the earth, and the shadow faces the earth and appears at the same time as the sun, so people can't see the moon. On lookout day, the earth moves between the sun and the moon. The sun sets in the west and the moon rises in the east, so we can see the full moon. Because the lunar year is about 355 days, which is about 1 1 day different from the earth year, there should be a leap month every 3 years and 7 leap months every 19 years. A year with a leap month is also called a leap year. The specific leap month depends on the elasticity of solar terms.
The lunar calendar is not only designated according to the time spent in the year of the return of the earth, but also according to the changes of the moon phases, and it is more practical with reference to the surrounding meteorological and phenological conditions and agricultural activities, so it has become a calendar with four distinct seasons and easy memory. In China, the lunar calendar is especially suitable for the vast areas of the Central Plains.