day()
public
Returns the day of the month (1..n) for time.
t = Time .now #=> 2007年11月19日 08:27:03 -0600
t.day #=> 19
t.mday #=> 19
static VALUE
time_mday(VALUE time)
{
struct time_object *tobj;
GetTimeval(time, tobj);
MAKE_TM(time, tobj);
return INT2FIX(tobj->vtm.mday);
}