diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..43a5b6243 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,26 @@
-function setAlarm() {}
+function setAlarm() {
+ const inputSeconds = document.getElementById("alarmSet");
+ const displayTimer = document.getElementById("timeRemaining")
+
+ let remainingSeconds = Number(inputSeconds.value);
+
+ const countDownInterval = setInterval(() => {
+ if (remainingSeconds < 0) {
+ clearInterval(countDownInterval);
+ playAlarm();
+ inputSeconds.value = '';
+ document.body.style.backgroundColor = 'lightgreen';
+ return
+ }
+
+ const minutes = Math.floor(remainingSeconds / 60);
+ const seconds = remainingSeconds % 60;
+
+ displayTimer.innerHTML = `Time Remaining: ${String(minutes).padStart(2, "0")}:${String(seconds).padStart(2, "0")}`;
+ remainingSeconds -= 1;
+ }, 1000);
+
+}
// DO NOT EDIT BELOW HERE
diff --git a/Sprint-3/alarmclock/index.html b/Sprint-3/alarmclock/index.html
index 48e2e80d9..4a91379d3 100644
--- a/Sprint-3/alarmclock/index.html
+++ b/Sprint-3/alarmclock/index.html
@@ -4,7 +4,7 @@
- Title here
+ Alarm Clock App