def get_duration_in_time( duration ):
    """
    Calculate the duration in hh::mm::ss and return it
    
    @param duration:      timestamp from the system
    @return:              formatted string with readable hours, minutes and seconds
    """
    seconds = int( duration % 60 )
    minutes = int( (duration / 60) % 60 )
    hours   = int( (duration / 3600) % 24 )
    output = "{:0>2}:{:0>2}:{:0>2}".format(hours, minutes, seconds)
    return output