Date.this

this(int year, int month, int day) @safe pure

DateTimeException if the resulting Date would not be valid.

`year`	Year of the Gregorian Calendar. Positive values are A.D. Non-positive values are B.C. with year 0 being the year prior to 1 A.D.
`month`	Month of the year (January is 1).
`day`	Day of the month.

this(int day) @safe pure nothrow @nogc

day The Xth day of the Gregorian Calendar that the constructed Date will be for.