function startStopwatch50573(targetDate, targetTime) { if(targetDate==''||targetTime==''){ document.getElementById('stopwatch-50573').innerText='---'; return; } const [year, month, day] = targetDate.split('-').map(Number); const [hour, minute] = targetTime.split(':').map(Number); const target = new Date(year, month - 1, day, hour, minute); let days, hours, minutes; function updateStopwatch50573() { const now = new Date(); const timeLeft = target - now; if (timeLeft <= 0) { document.getElementById('stopwatch-50573').innerText = 'Time is up!'; // clearInterval(interval); return; } days = Math.floor(timeLeft / (1000 * 60 * 60 * 24)); hours = Math.floor((timeLeft % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60)); minutes = Math.floor((timeLeft % (1000 * 60 * 60)) / (1000 * 60)); // document.getElementById('stopwatch-50573').innerText = ` days : hours : minutes`; document.getElementById('stopwatch-50573').innerText = days + ' days : ' + hours + ' hours : ' + minutes + ' minutes'; } updateStopwatch50573(); const interval = setInterval(updateStopwatch50573, 60000); // Update every minute } // Example usage: var targetDate = '2026-05-21'; var targetTime = '13:30'; startStopwatch50573(targetDate, targetTime);