React Js Get Client Time Zone

<!DOCTYPE html>
<html>

</head>

<body>
    <div id="app"></div>
    <script type="text/babel">
        const { useState, useEffect } = React;

function App() {
            const [timeZone, setTimeZone] = useState('');

useEffect(() => {
                const date = new Date();
                const options = {
                    timeZoneName: 'long', // Display the full time zone name
                    timeZone: 'America/New_York' // Set the desired time zone (e.g., America/New_York for Eastern Time)
                };

const currentTimeZone = date.toLocaleString('en-US', options);
                setTimeZone(currentTimeZone);
            }, []);

return (
                <div className=''>
                    <h3>React Js Current USA Time Zone</h3>
                    <p>{timeZone}</p>
                </div>
            );
        }

ReactDOM.render(<App />, document.getElementById('app'));
    </script>
    <style>
        .container {
            width: 400px;
            margin: 0 auto;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
            padding: 20px;
        }

h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

.container p {
            font-size: 18px;
            color: #333;
            margin: 0;
        }
    </style>
</body>

</html>