OptionalabbreviationThe abbreviated name of the month.
OptionaldayThe amount to offset day numbers for this month.
The number of days in the month.
OptionalintercalaryIf this month is an intercalary month.
OptionalleapThe number of days in the month during a leap year. If not defined the value of days is used.
The full name of the month.
The ordinal position of this month in the year.
OptionalstartingThe day of the week this month should always start on. If the value is null the month will start on the next weekday after the previous month
A definition of a month within a calendar year.