Java tutorial
public class Main { public static void main(String[] argv) throws Exception { long start = System.currentTimeMillis(); Thread.sleep(2000); // Get elapsed time in milliseconds long elapsedTimeMillis = System.currentTimeMillis() - start; // Get elapsed time in hours float elapsedTimeHour = elapsedTimeMillis / (60 * 60 * 1000F); System.out.println(elapsedTimeHour); } }