How many years does leap February occur in the lunar calendar? The calculation method for the appearance of leap February

The fleeting zodiac is changing every year, so the fortune of the fleeting year is also changing.In 2023, in addition to changing according to the fleeting zodiac, the leap month must also be considered, because there is a rare leap month in this year Appearance, this does not happen every year, and the arrival of leap February will also have some impact on our fleeting years.

How many years is the interval between leap and February

Generally speaking, in terms of time interval, it occurs once every 19 years (such as 2004, 2023).Since then, the frequency of leap February has gradually decreased to become a rare leap month, which appeared once every century in the 25th to 28th centuries, and there was no leap month in the 29th to 30th centuries, 36th to 38th centuries, and 40th to 44th centuries.If there are two Februarys in a year in the lunar calendar, the second February is a leap February.The earliest year of the Spring Festival and Dragon Head Festival is usually in February.It is all because the period that the sun and the moon rotate relative to the earth is not the number of days.The Gregorian calendar, also called the solar calendar, takes the year of return as the basis of the calendar.Since the length of the tropical year is equal to 365.2422 mean solar days (ie 365 days, 5 hours, 48 ​​minutes and 46 seconds), it is not a number of whole days.Therefore, the Gregorian calendar takes 365 days as a normal year, so 366 days is a leap year, and 365 days is an ordinary year.

Calculation method for leap February

The last leap February occurred in 2004, and the upcoming leap February year is 2023.The frequency of leap February is second only to leap March, and the frequency is medium around the 21st century, generally appearing every 19 years (such as 2004, 2023).Since then, the frequency of leap February has gradually decreased to become a rare leap month, which appeared once every century in the 25th to 28th centuries, and there was no leap month in the 29th and 30th centuries.Therefore, according to the calculation method, it can be known which year will have leap February and which year will not have leap February.

The year of the lunar calendar and the year of the Gregorian calendar will be different.Calculated according to the twelve lunar months, there are only 354.4 days, which is 10.9 days less than the solar calendar year.If the Year of the Monkey is not inserted in February this year, then the Spring Festival next year will appear on January 2005.October tenth.In a few years, the phenomenon of "June Snow" will appear in the lunar calendar, in order to coordinate the seasonal relationship between the lunar calendar and the solar calendar.China adopted "seven leap months in nineteen years" in the Spring and Autumn Period.That is to say, in the 19 return years (6939.6 days), seven leap months should be inserted in the lunar calendar, so that the changes of cold and heat in the lunar calendar are consistent with the solar calendar.

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