Sets the value of a glib.Date from a day, month, and year. The day-month-year triplet must be valid; if you aren't sure it is, call Date.validDmy to check before you set it.
day
month
year
Sets the value of a glib.Date from a day, month, and year. The day-month-year triplet must be valid; if you aren't sure it is, call Date.validDmy to check before you set it.