What year is the leap September
A leap month will appear every two to three years, and leap September is a type of leap month.The time interval of each occurrence is not fixed, and the most recent leap year is 1737.Year, 1756, 1832, 2014, 2109, 2204.
What does the leap month mean
The lunar calendar is a traditional calendar in my country..The leap month is a way of setting the leap month in the calendar.In Asia (especially in China), a leap month refers specifically to a month added to the lunar calendar every 2 to 3 years.In order to coordinate the contradiction between the return year and the lunar year, and prevent the lunar year and the return year from being out of touch with the four seasons, an intercalary is set every 2 to 3 years.In ancient times, the intercalary week with 7 intercalary years was adopted in 19 years, and the fixed intercalary week was abolished in the "Linde Calendar" of the Tang Dynasty, and the intercalary month was used to set the intercalary week, so it was the intercalary time.
How to calculate the leap month
The middle month of the lunar year is based on the length of the synodic month of 29.5306 days, so the big month is 30 days and the small month 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, it is common for two consecutive months in the lunar calendar to be the big month or the small month, and even in 1990, March and April were small months, and September, October, November, and twelfth were four consecutive months.A rare exception to Otsuki.The best way is to find the least common multiple of the number of days in the tropical year and the number of days in the synodic month:we hope that the number of days in m tropical years is equal to the number of days in n lunar months, that is, the equation:m × 365.2422=n × 29.5306, and finally The result is obtained by dividing the two common multiples of m and n.
What year is the leap year
1737, 1756, 1832, 2014, 2109, 2204, 2223, 2576, 2720, 2739 , 2815, 2834, 2853, 2929, 3092, 3111, 3187, 3206, 32, 3301, 3320, 3369, 3464, 3521, 3559, 3654, 3692 Year, 3703, 3741, 3798, 3817, 3836, 3874, 3893, 3931, 4026, 4056, 4113, 4151, 4170, 4189, 4208, 4246, 4265 Year, 4284, 4303, 4333, 4398, 4428, 4447, 4466, 4485, 4523, 4542, 4580, 4648, 4656, 4667, 4675, 4686, 4705 Years, 4743, 4762, 4770, 4781, 4800, 4838, 4857, 4876, 4895, 4990.
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