def METHOD_NAME(time_str, str_fmt="%A", time_fmt="%Y-%m-%d", time_lim=10, utc_convert=False, region_fmt=None):
    if not time_str:
        return
    time_obj = convert_timestamp(time_str, time_fmt, time_lim, utc_convert=utc_convert)
    if not time_obj:
        return
    if not region_fmt:
        return time_obj.strftime(str_fmt)
    return get_region_date(time_obj, region_fmt)