There are eighty day in a month?

Answer 1

No, there are not eighty days in a month. Here is a rhyme to help you remember:
Thirty days hath September, April, June, and November, all the rest have thirty-one.
February has twenty-eight, but leap year coming one in four.
(Note: in a Leap Year February has twenty-nine days.)

Answer 2

There are not eighty days in a month; February has 28 days, or 29 days if it is leap year, and the other months have either 30 or 31 days.

Answer 3

Not in modern earth calendars.

Answer 4

are there 80 dasy in a month