title: Calculate number of working days in a month
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/8396507/get-number-of-weekdays-in-a-given-month">Get number of weekdays in a given month</a>  </p>
  </blockquote>
  
  
  
  <p>How to calculate working days of any month? <code>cal_days_in_month</code> returns simply the total number of days in a month. My task is to calculate number of days in month except Saturdays and Sundays or Sundays alone. Any method to find this?</p>