determineDayOfMonth method
Implementation
int determineDayOfMonth(int days, int month) {
int count = 0;
int daysForMonths = 0;
while (count < month) {
int year = determineYear(daysForMonths);
daysForMonths += getDaysForMonth(count % 12, year);
count++;
}
return days - daysForMonths;
}