diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..5bec88187 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,49 @@
-function setAlarm() {}
+//function setAlarm() {}
+
+let countdownInterval;
+
+function setAlarm() {
+ // 1. Get the input value and the display element
+ const alarmInput = document.getElementById("alarmSet").value;
+ const timeRemainingDisplay = document.getElementById("timeRemaining");
+
+ // Safety check: Ensure input is a number and greater than 0
+ if (!alarmInput || alarmInput <= 0) return;
+
+ let timeRemaining = parseInt(alarmInput);
+
+ // 2. Clear any existing timers to prevent "speeding up" if clicked multiple times
+ clearInterval(countdownInterval);
+
+ // 3. Initial update so the user sees the time immediately
+ updateDisplay(timeRemaining, timeRemainingDisplay);
+
+ // 4. Start the countdown logic
+ countdownInterval = setInterval(() => {
+ timeRemaining -= 1;
+ updateDisplay(timeRemaining, timeRemainingDisplay);
+
+ // 5. Trigger the alarm and stop the counter when 0 is reached
+ if (timeRemaining <= 0) {
+ clearInterval(countdownInterval);
+ playAlarm();
+ }
+ }, 1000);
+}
+
+/**
+ * Helper function to format the time as 00:00
+ */
+function updateDisplay(totalSeconds, displayElement) {
+ const minutes = Math.floor(totalSeconds / 60);
+ const seconds = totalSeconds % 60;
+
+ // Converts numbers to strings and pads with a leading zero if needed
+ const formattedMinutes = minutes.toString().padStart(2, "0");
+ const formattedSeconds = seconds.toString().padStart(2, "0");
+
+ displayElement.innerText = `Time Remaining: ${formattedMinutes}:${formattedSeconds}`;
+}
// DO NOT EDIT BELOW HERE
diff --git a/Sprint-3/alarmclock/index.html b/Sprint-3/alarmclock/index.html
index 48e2e80d9..36715d7d9 100644
--- a/Sprint-3/alarmclock/index.html
+++ b/Sprint-3/alarmclock/index.html
@@ -1,20 +1,23 @@
-
-
-
-
- Title here
-
-
-
-
Time Remaining: 00:00
-
-
-
-
-
-
-
-
+
+
+
+
+ Alarm clock app
+
+
+
+
+
Time Remaining: 00:00
+
+
+
+
+
+
+
+
+
+