ant-design/components/time-picker/demo/without-seconds.md

order	title
3	zh-CN en-US 不展示秒 Hide the seconds options

zh-CN

不展示秒，也不允许选择。

en-US

The seconds options are hidden and cannot be selected.

import { TimePicker } from 'antd';
import moment from 'moment';

const format = 'HH:mm';

ReactDOM.render(
  <TimePicker defaultValue={moment('12:08', format)} format={format} />
, mountNode);