Java tutorial
//package com.java2s; import java.util.concurrent.TimeUnit; public class Main { public static String getTimeSpanFromSeconds(long secs) { if (TimeUnit.SECONDS.toHours(secs) == 0) return String.format("%dmin", TimeUnit.SECONDS.toMinutes(secs)); else return String.format("%dh %02dmin", TimeUnit.SECONDS.toHours(secs), TimeUnit.SECONDS.toMinutes(secs) - TimeUnit.HOURS.toMinutes(TimeUnit.SECONDS.toHours(secs))); } }