1。 Divisible by 4, but not by 100.
2。 Divisible by 400. Gregorian calendar leap month
Which years have leap months, and which months? There is a leap month in May this year, and there should be a leap month every three years.
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There is a leap month every year. What months are it usually? There is not a leap month every year, but only once every three years.
When is the next leap month? 20 14 leap September 20 17 leap June 2020 leap April 2023 leap February
2025 leap June 2028 leap May 203 1 leap March 2033 leap winter month 2036 leap June 2039 leap May 2042 leap February.
2044 leap 2047 leap July 2050 leap May 2052 leap March 2055 leap August 2058 leap June 206 1 leap March.
Leap in 2063, leap in July 2066, leap in May 2069, leap in August 2074, leap in June 2077, leap in April 2080, leap in March.
Leap in 2082, leap in July 1985, leap in May 1988, leap in April 1990, leap in August 1993, leap in June 1996 and leap in April 1999.
2 10 1 leap July 2 104 leap May 2 107 leap April 2 109 leap September 212 leap June 2/kloc-0.
2 120 leap July 2 123 leap May 2 126 leap April 2 128 leap winter 2 13 1 leap June 2 134 leap May 2
2 139 leap July 2 142 leap may 2 145 leap April 2 147 leap winter month 2 150
Is 20 16 a leap month or a lunar calendar? Leap in August? 1998? Leap in May? 200 1? Leap in April? 2004? February leap
2006? Leap in July? 2009? Leap in May? 20 12? Leap in April? 20 14? Leap in September? 20 17? Leap in June? 2020? Leap in April? 2023? February leap
2025? Leap in June? 2028? Leap in May? 203 1? Leap in March? 2033? Leap in winter? 2036? Leap in June? 2039? Leap in May? 2042? February leap
So 20 16 is not a leap month, and 20 17 is a leap month.
China Lunar Leap Month: Which month is the leap month? Leap year, leap April, leap May and leap June are the most, leap September and leap October are the least, and leap November, leap December and leap January will not appear (a bunch of guys here, this sentence is the key).
What leap months are there from 20 15 to 2030? When you refer to the lunar calendar, the extra month in a certain year becomes thirteen months. . . There is no leap month on the 20 15 of the lunar calendar. .
From 1950 to 20 16, there are leap months 1949, leap July 1952, leap May 1955, leap March 1957 and leap August.
1968 leap July 197 1 leap may 1974 leap April 1976 leap August 1979 leap June 1982 leap April/.
1987 leap July 1990 leap may 1993 leap March 1995 leap August 1998 leap may 200 1 leap April 2004 leap February.
Leap July 2006 Leap May 2009 Leap April 20 14 Leap September 20 17 Leap June.
How to judge which year is leap month and which month? In the China lunar calendar, a year with a leap month is called a leap year. The general year is 12 months, 354 or 355 days, and the leap year is 13 months, 383 or 384 days. As a kind of lunar calendar, the number of days in each month depends on the monthly loss, and the time of one year is based on 12 months. In order to close the earth's cycle around the sun, that is, the tropic year, one month is added every two to four years, and the added month is a leap month, so the leap year of the lunar calendar is 13 months.
There is no thirteenth month in the lunar calendar. According to the calendar rules, leap months are repeated from February to the same month after 10, and the repeated months are leap months. For example, the leap month after April is called leap April.
Calculation of leap month in lunar leap year, three-year leap, five-year leap, 19 leap; The lunar calendar basically takes 19 as a cycle, corresponding to the same time in the Gregorian calendar. For example, in the Gregorian calendar, May 27th, 2006, 5438+0, May 27th 1982 and May 27th 1963 are the fifth day of leap April.
The month of the leap month is inferred according to the laws of the lunar calendar, mainly according to the coincidence with the 24 solar terms of the lunar calendar;
The number of leap months in the lunar calendar is 29 or 30 days, just like normal months.
The so-called "leap" in the lunar calendar is called leap year and leap month, and the Gregorian calendar is also called leap year.
How to calculate when there is a leap month? Each month contains two solar terms. The working people in ancient times called the previous solar terms (beginning of spring, Jing Zhe, Qingming, Long Summer, Mang Zi, Xiaoshuhu, beginning of autumn, Bailu, Cold Dew, beginning of winter, Heavy Snow and Slight Cold) "solar terms". The last solar terms (rain, vernal equinox, Grain Rain, Xiaoman, Summer Solstice, Great Summer, Early Summer, Autumn Equinox, Early Frost, Light Snow, Winter Solstice and Great Cold) are called "Zhongqi". How to arrange the lunar leap month? In the history of our country, there have been different ways to deal with it. The leap month was placed at the end of the year in the Western Han Dynasty, and it was called "the last September" in the early Han Dynasty. After the Han Dynasty, the month without neutrality was designated as the leap month of the first lunar month, and this rule of placing leap has continued to this day.
Why is a lunar month not neutral? The results show that the average interval between two neutral gases is 365.2422÷ 12=30.4368 days, then 30 or 3 1 day. The earth's orbit around the sun is elliptical and moves slowly at the perihelion (vernal equinox and autumnal equinox), and the interval between the two solar terms can reach 3 1.45 days. On the other hand, the average lunar new moon is only 29.5306 days, including 29 days in the first lunar month and 30 days in the second lunar month. In this way, there will be such a situation: in some months (usually abortion), the last breath has passed at the beginning, and the next breath has not come at the end. For example, 200 1 (New Year's Eve) is May 21(April 29), and the first day of the next lunar month is May 23. However, this lunar month ends on June 20, and the summer solstice is June 2 1, so this lunar month is not "neutral", it falls in the fourth month of the lunar calendar. This year's vernal equinox is on March 20th (February 30th), the first day of the next lunar month is on March 2nd1,and ends on April18th, and the third day is in Grain Rain on April 20th. In this way, the month after February of this year's lunar calendar without "neutral gas" is designated as leap February. According to this leap rule, it will leap in July 2006, May 2009, April 20 12, September 20 14, June 20 17 and April 2020.
As for the lunar month, this involves the solar terms. There are 24 solar terms in a year, which is just a traditional saying. In detail, it should be said that there are twelve solar terms and twelve neutral terms in a year. Which of the twelve qi belongs to which month is regular: rain is the qi of the first month; The vernal equinox is in mid-February; Grain Rain is the spirit of March; Xiaoman is the spirit of April; The solstice in summer is mid-air in May; The summer heat is in mid-June; Summer heat is the qi of July; The autumnal equinox is in mid-August; The first frost is the breath of September; Light snow is the neutral atmosphere in October; The winter solstice is 1 1 mid-month; It's freezing in mid-air in December.
As for which month the twelve solar terms are in, it is not necessarily so. A month in the lunar calendar averages a little more than 29 and a half days, but the average interval from one breath to the next is less than 30 and a half days. In this way, the monthly air in the lunar month will be delayed by 1 day. At a certain time, qi is not in the middle of the month but moved to the end of the month. If next month is a miscarriage, there will probably be no gas in this month, because the gas will be moved to the beginning of the third month. The middle month is not neutral, even if last month was a leap month. Take 1998 as an example: June 2 1 day in the solar calendar is May 27th of the lunar calendar, which is the summer solstice (mid-May); But July 23rd in the solar calendar is the first day of June in the lunar calendar, and this day is the summer heat (the qi of June). From June 24th to July 22nd of the Gregorian calendar (one month after the end of May of the lunar calendar), there is only one solar term, and this month is leap May. Therefore, leap month is determined by people according to certain laws, which is not mysterious.
In the China lunar calendar, a year with a leap month is called a leap year. The general year is 12 months, 354 or 355 days, and the leap year is 13 months, 383 or 384 days. As a kind of lunar calendar, the number of days in each month depends on the monthly loss, and the time of one year is based on 12 months. In order to close the earth's cycle around the sun, that is, the tropic year, one month is added every two to four years, and the added month is a leap month, so the leap year of the lunar calendar is 13 months.
There is no thirteenth month in the lunar calendar. According to the calendar rules, leap months are repeated from February to the same month after 10, and the repeated months are leap months. For example, the leap month after April is called leap April.
Calculation of leap month in lunar leap year, three-year leap, five-year leap, 19 leap; The lunar calendar basically takes 19 as a cycle, corresponding to the same time in the Gregorian calendar. Such as 5438+0 on May 27th, 2006, May 27th 1982, May 27th 1963...> & gt