def METHOD_NAME(tz):
    # Find the offset for when it doesn't have DST:
    dst_offset = std_offset = None
    has_dst = False
    year = datetime.now().year
    for dt in (datetime(year, 1, 1), datetime(year, 6, 1)):
        if tz.dst(dt).total_seconds() == 0.0:
            # OK, no DST during winter, get this offset
            std_offset = tz.utcoffset(dt).total_seconds()
        else:
            has_dst = True
    return has_dst, std_offset, dst_offset