Is it a month from August 13 to September 13?

No. According to the weather information of the Gregorian calendar, there are 30 days in a month of abortion, 365,438+0 days in August and 33 days from August 65,438+03 to September 65,438+03, so it is not a month. The Gregorian calendar has 3 1 day for the big month and 30 days for the small month. Every year 65438+ October, March, May, July, August, 65438+ October and 65438+ February are fixed as big months; April, June, September, 165438+ October are all abortion. February is neither a big moon nor a small moon. February in a normal year has 28 days and leap year has 29 days.