def scale_time_units(time_seconds_arr, unit):
    """
    Convert an array of time durations in seconds to the specified time unit.
    """
    if unit == 'minutes':
        return list(map(lambda x: x*1.0/60, time_seconds_arr))
    elif unit == 'hours':
        return list(map(lambda x: x*1.0/(60*60), time_seconds_arr))
    elif unit == 'days':
        return list(map(lambda x: x*1.0/(24*60*60), time_seconds_arr))
    return time_seconds_arr