diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..152579f5a 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,54 @@
-function setAlarm() {}
+function setAlarm() {
+ // Get the input value
+ let time = parseInt(document.getElementById("alarmSet").value) || 0;
+
+ // Check for negative numbers
+ if (time < 0) {
+ document.getElementById("timeRemaining").textContent =
+ "Time Remaining: 00:00";
+ return; // Exit the function if the input is negative
+ }
+
+ // Clear any existing interval
+ if (window.alarmInterval) {
+ clearInterval(window.alarmInterval);
+ }
+
+ // Update the display immediately
+ document.getElementById("timeRemaining").textContent =
+ "Time Remaining: " + formatTime(time);
+
+ // Start countdown
+ window.alarmInterval = setInterval(function () {
+ // Decrement time first
+ time--;
+
+ // Check if time is zero or negative
+ if (time <= 0) {
+ clearInterval(window.alarmInterval);
+ document.getElementById("timeRemaining").textContent =
+ "Time Remaining: 00:00";
+ playAlarm();
+ return;
+ }
+
+ // Update display after checking
+ document.getElementById("timeRemaining").textContent =
+ "Time Remaining: " + formatTime(time);
+ }, 1000);
+}
+
+// Helper function to format time as MM:SS
+function formatTime(seconds) {
+ var minutes = Math.floor(seconds / 60);
+ var remainingSeconds = seconds % 60;
+ return pad(minutes) + ":" + pad(remainingSeconds);
+}
+
+// Helper function to pad single digits with leading zero
+function pad(num) {
+ return num < 10 ? "0" + num : num;
+}
// DO NOT EDIT BELOW HERE
diff --git a/Sprint-3/alarmclock/index.html b/Sprint-3/alarmclock/index.html
index 48e2e80d9..ff2d3b453 100644
--- a/Sprint-3/alarmclock/index.html
+++ b/Sprint-3/alarmclock/index.html
@@ -4,7 +4,7 @@
- Title here
+ Alarm clock app