Is it April 5th in Tomb-Sweeping Day today?

Tomb-Sweeping Day embodies the national spirit, inherits the sacrificial culture of Chinese civilization, and expresses people's moral feelings of respecting and worshiping their ancestors. Next, I arranged it for you. Is it April 5th in Tomb-Sweeping Day today? I hope you like it!

Is it Tomb-Sweeping Day on April 5th every year?

No, for example, Tomb-Sweeping Day on 202 1 is April 4th. Because the earth's revolution is 360 degrees of the yellow meridian, when the earth reaches zero degrees of the yellow meridian, it is designated as the vernal equinox, and the next solar term is 15 degrees. There are 24 solar terms throughout the year. Therefore, the dates of solar terms in the solar calendar are fixed, and there will be a difference of one or two days in leap years. We will find more years on April 5, but not all years are like this, it depends on the calendar.

Why is the solar calendar in Tomb-Sweeping Day not the lunar calendar?

Mr. Xu Shiqiu, curator, professor and doctor of Shaw Museum of China Geo University, gave the answer. Mr Xu said that unlike most traditional festivals in China, Tomb-Sweeping Day is not only a festival, but also one of the 24 solar terms (namely Tomb-Sweeping Day), and its date itself is calculated according to the solar calendar.

Tomb-Sweeping Day Qi is a moment in the astronomical calendar, and its time depends on the orbit of the sun. When the sun reaches 15, the time point is Qingming on April 5 or 6 of the solar calendar every year. Tomb-Sweeping Day Qi is a sign of phenological changes and seasonal order in China, which belongs to the solar calendar.

In addition, the 24 solar terms are divided according to the position of the sun on the ecliptic (the orbit of the earth around the sun). Therefore, the dates of solar terms in the solar calendar are basically fixed. Every year in Tomb-Sweeping Day, it is around April 5, only a day or two away. However, the dates in the lunar calendar have changed a lot. If calculated according to the lunar calendar, the date of solar terms is not easy to determine, which will affect the overall calendar and people's production and life.

Specifically, for example, since the Qing Dynasty, China has set the vernal equinox at 0 degrees, and every time the sun runs 15 degrees on the ecliptic, it is designated as a solar term, so 24 solar terms are 24 specific moments, not 24 specific days. Because the length of a year is determined by the movement of the sun, and the 24 solar terms are also determined by the position of the sun, the date of each solar term does not change much in each year.

However, the actual length of a tropical year is 365.2422 days, and the length of a Gregorian calendar year is 365 days, so there will be 0.2422 days more each year (equivalent to 5.8 hours), and the specific time of solar terms will be postponed by 0.2422 days each year. Results After 4 years, the cumulative time is 0.9688 days, almost one day, which may lead to the disorder of time series.

In order to revise it, the Chinese solar calendar adopts the "leap year" system, with an extra day on February 29th every four years. Due to the delay, the date of solar terms will be changed to the next day after midnight, or one day earlier due to leap year, but the date difference will only be within 3 days.

According to statistics, in the 5 18 years from 1582 to 2 100, the Qingming period is 2 19 on April 4th, 28 1 on April 5th and only 18 on April 6th.

How do you say Tomb-Sweeping Day is angry?

If Tomb-Sweeping Day is regarded as a festival, the most important thing is to remember our ancestors and their relatives. This is a traditional custom, and it is also a virtue behavior of our Chinese nation to remember our ancestors. It represents the harmonious relationship between modern people and their predecessors, and also creates an atmosphere of harmonious coexistence between man and nature, and it is also a manifestation of loving life. People will plant trees in this season, go for a spring outing, and pursue a state of hearing and seeing.

What are the taboos in Tomb-Sweeping Day?

1. Walking at night is not advisable. It is said that as a traditional Halloween, if you go out late at night, you will be afraid of encountering bad things and have adverse effects.

2. It is not advisable to go straight when you meet a grave during an outing. In spring, if you go up the mountain to play and meet a cemetery, you should walk around or worship respectfully, because this is the time for sacrifice and you can't be disrespectful to the deceased.

We can't postpone the time of ancestor worship. Going to the grave is about the right time. If a certain period of time is missed, the ancestors will not receive the offerings.

In some areas, it is also a custom to avoid sewing and cleaning houses, and to spread a gray line at the door to protect the safety of houses.

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