How many years does the New Year’s Eve without 30 appear? How often does the New Year’s Eve appear?
New Year’s Eve is the last day of the lunar year, and whether the last day is on the 29th or the 30th is not fixed, because the calculation time of the lunar year and the synodic month are different.Relationship, after rigorous measurement and calculation, the year in which the 29th day of the twelfth lunar month appears is not fixed.
New Year’s Eve is once every twenty-ninth year of the twelfth lunar month
In my country’s lunar calendar, the number of days in the twelfth lunar month is uncertain.There is no twelfth lunar month on the 30th of the twelfth lunar month, and the twelfth lunar month on the 29th is New Year’s Eve.And the year when New Year’s Eve is on the 29th is not fixed and cannot be inferred according to the rules.The middle month of the lunar year is based on the lunar month length of 29.5306 days, so the big moon is 30 days and the small moon is 29 days.In order to ensure that the first day of each month (the first day of the new year) must be the new day, the arrangement of the big and small months is not fixed, but it needs to be determined through strict observation and calculation.Therefore, in the lunar calendar, there is no 30th day in December, and the 29th day of the twelfth lunar month is New Year’s Eve.
The 29th year of the twelfth lunar month is 1999, 2003, 2012 and 2022.New Year’s Eve appears on the twenty-ninth day of the twelfth lunar month every few years.In fact, there is no regularity in this.For example, in 2012, New Year’s Eve appeared on the 29th, and in 2022, it has been nine years before the 29th New Year’s Eve appeared.But in the next few years, there will be no New Year’s Eve in 2025, 2026, 2027, 2028, and 2029, and they will all be celebrated on New Year’s Eve.a regularity.
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