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<!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 currentDate = new Date(); const options = { year: "numeric", month: "long", day: "numeric", hour: "2-digit", minute: "2-digit", second: "2-digit", hour12: true, }; const currentDateTimeString = currentDate.toLocaleString( undefined, options ); return ( <div className="container"> <p className="title"> React Js get current date time format : 12-hour format (local time) </p> <p className="time">{currentDateTimeString}</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: 18px; color: #333; margin-top: 10px; } </style> </body> </html>