title: How to calculate the difference in date time on Sun OS?
body: <p>[SunOS] How to find the difference in date time?</p>
  
  <p>Date 1 : 2017-01-02 17:24:33
  Date 2 : 2017-01-03 22:55:02</p>
  
  <p>Answer : 1770 minutes</p>