def METHOD_NAME() -> None:
    s = '1970-01-01 00:00:00'
    dt = dtutil.parse(s, '%Y-%m-%d %H:%M:%S', timezone('UTC'))
    assert '{:%Y-%m-%d %H:%M:%S %z}'.format(dt) == '1970-01-01 00:00:00 +0000'
    s = '2016-01-01 00:00:00'
    dt = dtutil.parse(s, '%Y-%m-%d %H:%M:%S', timezone('UTC'))
    assert '{:%Y-%m-%d %H:%M:%S %z}'.format(dt) == '2016-01-01 00:00:00 +0000'
    dt = dtutil.parse(s, '%Y-%m-%d %H:%M:%S', timezone('America/Los_Angeles'))
    assert '{:%Y-%m-%d %H:%M:%S %z}'.format(dt) == '2016-01-01 08:00:00 +0000'