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闰 April

闰 April

April : In the history of China, before the Qin Dynasty, the month was placed at the end of the year, called "Thirteen Months"; in the early Han Dynasty, the month was placed after September, called "Post-September"; after that, "No The month containing mid-gas is used as the leap month of the previous month. " Around the 21st century, April is a common month, and it usually occurs once every 8 or 11 years, and it occurs once every 38 years at the longest, second only to May. However, the law is not static, as time goes by, the frequency of April and April will gradually decrease. The latest year of the Dragon Boat Festival is usually April. The most recent past year in April was 2012, and the forthcoming one was April 2020.

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