20 17 is there a number 3 1 in June?

20 17 June, there is definitely no 3 1. . .

China's calendar is calculated on the basis of monthly size, monthly size and monthly average. Every year 1, 3, 5, 7, 8, 10 and 12 months are calculated as the month size, and each month is 3 1 day. Every April, June and September, 165438+ 10 is a month, with 30 days each month; February is the moon every year, which is 28 days (normal year) or 29 days (leap year).

So there is no 3 1 day in June of 20 16, only 30 days.