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Thread: Why Leap-month/ year, What's the Rule??
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[quote=ANASTASIA_H,373692]19 yearsX 365.2422 = 6939.6018 --how many days you get in 19 solar years. 235 monthsX 29.5036 = 6939.6910--this fomular tells you you get 235 months according to lunar calendar. While with solar calender,you are supposed to get 19years x12months=228months. 235-228=7 months. So you get 7extra months within 19 years.[/quote]
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