Is there a leap month in the twelfth lunar month? How to calculate the leap month
The leap month is the product of the time difference between the Gregorian calendar and the lunar calendar. So, will there be a leap month in the twelfth month of the lunar calendar? How is the leap month calculated? Want to know more about the twelfth lunar month of 2018? Please pay attention to Shuimoxiansheng.com’s special topic for the twelfth month of the lunar calendar!Is there a leap month in the twelfth lunar month?have. If there are two Decembers in a lunar year, the first December is called the "December (La Yue)" and the second December is called the "Leap December (Leap La Yue)". Leap December is the rarest of all leap months (but it is not unchanging. Over time, the frequency of leap December will gradually increase from the lowest level). There were no leap Decembers from the 17th century to the 33rd century, and there were no leap Decembers in the 36th to 38th centuries, the 41st to 47th centuries, and the 49th century. The last leap December occurred in 1574 in the 16th century, and the next leap December will occur in 3358 in the 34th century. So, there is a leap month in the twelfth lunar month, but the probability of its occurrence is relatively small.How is the leap month calculated?Leap month refers to a phenomenon in the lunar calendar. The lunar calendar arranges long months and short months according to the waxing and waning of the moon, namely the synodic month. The length of a synodic month is 29.5306 days, which is the cycle of the moon's waxing and waning phases. The lunar calendar takes the length of the new and full moon (29.5306 days) as the average length of a month. There are 12 months in a year, which differs from the tropical year (365.2422 days) by about 10 days and 21 hours, so it is necessary to add a leap month. One month is added every three years, two months are added every five years, and seven months are added every nineteen years. |
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