Question

How to convert time in milliseconds to number of years in Java

Answer 1

import java.util.Calendar;
  
public class TimeInMillisecondsToNumberOfYears_Java  {
  
    public static void main(String[] args) {
  
        Calendar cal = Calendar.getInstance();
          
        // Set time in milliseconds
        cal.setTimeInMillis(1476907455894L);
          
        int totalyears = cal.get(Calendar.YEAR) - 1970;
        System.out.println(totalyears);
          
        int year = cal.get(Calendar.YEAR);
        System.out.println(year);
    }
}
  
  
/*
run:
  
46
2016
  
*/

 

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Answer 2

public class TimeInMillisecondsToNumberOfYears_Java  {
 
    public static void main(String[] args) {
        // 86400000 = 1 day 
        double totalyears = (1476907455894.0 / 86400000.0) / 365.0;

        System.out.println(totalyears);
    }
}
 
 
/*
run:
 
46.83242820566971
 
*/

 

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