ant-design/components/timeline/demo/custom.tsx

import React from 'react';
import { ClockCircleOutlined } from '@ant-design/icons';
import { Timeline } from 'antd';

const App: React.FC = () => (
  <Timeline>
    <Timeline.Item>Create a services site 2015-09-01</Timeline.Item>
    <Timeline.Item>Solve initial network problems 2015-09-01</Timeline.Item>
    <Timeline.Item dot={<ClockCircleOutlined className="timeline-clock-icon" />} color="red">
      Technical testing 2015-09-01
    </Timeline.Item>
    <Timeline.Item>Network problems being solved 2015-09-01</Timeline.Item>
  </Timeline>
);

export default App;