React JS Convert Time 24 hours to 12 hour format

<!DOCTYPE html>
<html>
  <head>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.14.0/umd/react.development.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.14.0/umd/react-dom.development.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
  </head>
  <body>
    <div id="app"></div>
    <script type="text/babel">
      const { useState } = React;

function App() {
        const [time, setTime] = useState("19:30"); // 24 hour format time string

return (
          <div className="container">
            <h3 className="title">
              React JS Convert Time 24 hours to 12 hour format
            </h3>
            <p className="time">24 hours format: {time}</p>
            <p className="formatted-time">12 hours format: {formattedTime()}</p>
          </div>
        );
      }

ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
      .container {
        margin: 0 auto;
        width: 500px;
        text-align: center;
        box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12),
          0 2px 4px 0 rgba(0, 0, 0, 0.24);
        padding: 20px;
        display: flex;
        flex-direction: column;
        align-items: center;
      }

.title {
        font-size: 24px;
        color: #333;
        margin-bottom: 10px;
      }

.time {
        font-size: 16px;
        color: #666;
      }

.formatted-time {
        font-size: 18px;
        color: #333;
        margin-top: 10px;
      }
    </style>
  </body>
</html>

 
<!DOCTYPE html>
<html>
  <head>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.14.0/umd/react.development.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.14.0/umd/react-dom.development.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
  </head>
  <body>
    <div id="app"></div>
    <script type="text/babel">
      const { useState } = React;
​
      function App() {
        const [time, setTime] = useState("19:30"); // 24 hour format time string
​
        const formattedTime = () => {
          const [hours, minutes] = time.split(":");
          const timeObj = new Date();
          timeObj.setHours(hours);
          timeObj.setMinutes(minutes);
          const ampm = timeObj.getHours() >= 12 ? "PM" : "AM";
          let hours12 = timeObj.getHours() % 12;
          hours12 = hours12 ? hours12 : 12; // convert 0 to 12
          return `${hours12}:${minutes} ${ampm}`;
        };
​
        return (
          <div className="container">
            <h3 className="title">
              React JS Convert Time 24 hours to 12 hour format
            </h3>
            <p className="time">24 hours format: {time}</p>
            <p className="formatted-time">12 hours format: {formattedTime()}</p>
          </div>
        );
      }
​
      ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
      .container {
        margin: 0 auto;
        width: 500px;
        text-align: center;
        box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12),
          0 2px 4px 0 rgba(0, 0, 0, 0.24);
        padding: 20px;
        display: flex;
        flex-direction: column;
        align-items: center;
      }
​
      .title {
        font-size: 24px;
        color: #333;
        margin-bottom: 10px;
      }
​
      .time {
        font-size: 16px;
        color: #666;
      }
​
      .formatted-time {
        font-size: 18px;
        color: #333;
        margin-top: 10px;
      }
    </style>
  </body>
</html>
​