diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..fe41a429b 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,51 @@
-function setAlarm() {}
+let alarmInterval;
+let timeRemaining = 0;
+
+function setAlarm() {
+ // Get the input value
+ const alarmInput = document.getElementById("alarmSet");
+ const seconds = parseInt(alarmInput.value);
+
+ // Validate input
+ if (isNaN(seconds) || seconds <= 0) {
+ alert("Please enter a valid number of seconds!");
+ return;
+ }
+
+ // Clear any existing interval
+ if (alarmInterval) {
+ clearInterval(alarmInterval);
+ }
+
+ // Set the time remaining
+ timeRemaining = seconds;
+
+ // Update the display immediately
+ updateDisplay();
+
+ // Start the countdown
+ alarmInterval = setInterval(() => {
+ timeRemaining--;
+ updateDisplay();
+
+ // Check if time is up
+ if (timeRemaining <= 0) {
+ clearInterval(alarmInterval);
+ playAlarm();
+ }
+ }, 1000);
+}
+
+function updateDisplay() {
+ const minutes = Math.floor(timeRemaining / 60);
+ const seconds = timeRemaining % 60;
+
+ // Format with leading zeros
+ const formattedTime = `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`;
+
+ // Update the display
+ document.getElementById("timeRemaining").textContent = `Time Remaining: ${formattedTime}`;
+}
// 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