Well look on a calendar and look at the last day...
December has 31 days in the Gregorian calendar, as that is the calendar that we now use.
There are 365 days.how many their are in a regular calendar
There are 366 or 265 days in a sami calendar or year
365
365 days
A typical lunar calendar has either 354 or 355 days in a year. This is about 10 to 11 days shorter than the Gregorian calendar.
The Julian calendar is 13 days behind the Gregorian calendar from March 1900 until March 2100.
33 calendar days.
7 days
In the Gregorian Calendar, which is the calendar currently used in every American country, 75.75% of the years have 365 days each, and 24.25% of the years have 366 days each, making the average calendar year 365.2425 days.
Philippines has 27 days included on an advent calendar.
890