def offset_from_utc(meta):
    """Check whether the metadata set has time zone offset metadata,
    if exist, return its value, if not, return False.

    :param meta: Metadata dictionary
    :return:
    """
    for key, val in meta.items():
        if isinstance(val, dict):
            if 'offsetfromutc' in val:
                return True, val['offsetfromutc']
        elif isinstance(val, list):
            for i, it in enumerate(val):
                if 'offsetfromutc' in it:
                    return True, it['offsetfromutc']
    return False, False