def

func:numDaysInMonth

numDaysInMonth(month: null)

Get the number of days in a given month. The month parameter may be:

  • Date: returns number of days in given month (uses month/year, ignores day)
  • Number 1-12: returns days in month for current year
  • null: returns day in current month

Examples:

numDaysInMonth()            >>>  days in current month
numDaysInMonth(1)           >>>  31day (days in January)
numDaysInMonth(6)           >>>  30day (days in June)
numDaysInMonth(2)           >>>  28day or 29day (days for Feb this year)
numDaysInMonth(2012-02-13)  >>>  29day (days in Feb for leap year)

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