private static bool ParseDay(string input, ref int position, int month, bool isLeapYear, out int day)
{
long digit;
if (!ParseDigit(input, 2, ref position, out digit))
{
day = default(int);
return(false);
}
var lastDay = Timestamp.GetLastDay(month, isLeapYear);
if (digit < 1 || lastDay < digit)
{
day = default(int);
return(false);
}
day = unchecked (( int )digit);
return(true);
}
