def _format_date_time(date, time):
    """
    Helper func to format date & time strings from the case coords file

    Parameters
    ----------
    date : str
        Format: MMDDYYYY
    time: str
        Format: HHMM

    Returns
    -------
    str
        Format: MM-DD-YYYY-HH:MM
    """
    month = date[:2]
    day = date[2:4]
    year = date[-4:]

    hour = time[:2]
    mint = time[2:]
    return '{}-{}-{}-{}:{}'.format(month, day, year, hour, mint)