def format_day(day, events):
    """
    Formats message for one day.

    :param day: Day object.
    :type day: datettime.datetime
    :param events: List of events of given day
    :type events: list
    :return: parsed message for day
    :rtype: str
    """

    s = str(day)+"\n"

    for elem in events:
        s += "\\t"+str(elem)+"\n"

    s += "----" + "\n"
    return s