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
    items={[
      {
        children: 'Create a services site 2015-09-01',
      },
      {
        children: 'Solve initial network problems 2015-09-01',
      },
      {
        dot: <ClockCircleOutlined className="timeline-clock-icon" />,
        color: 'red',
        children: 'Technical testing 2015-09-01',
      },
      {
        children: 'Network problems being solved 2015-09-01',
      },
    ]}
  />
);

export default App;