diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..09fe252a3 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,45 @@
-function setAlarm() {}
+let alarmInterval;
+
+function setAlarm() {
+  //change the time remaining and set the remaining time
+  //into the second.
+  clearInterval(alarmInterval);
+
+  const InputField = document.getElementById("alarmSet");
+  let timeRemaining = Number(InputField.value);
+
+  if (!InputField.value || InputField.value < 0) {
+    alert("Please enter a valid time in seconds");
+    return;
+  }
+
+  function updateDisplay() {
+    const timeDisplay = document.getElementById("timeRemaining");
+    const Minute = Math.floor(timeRemaining / 60);
+    const Second = timeRemaining % 60;
+
+    const formatMinute = String(Minute).padStart(2, "0");
+    const formatSecond = String(Second).padStart(2, "0");
+
+    timeDisplay.innerText = `Time Remaining: ${formatMinute}:${formatSecond}`;
+  }
+
+  updateDisplay();
+  //set a variable to count three actions:
+  // count -1;
+  // Show what is the remaining time;
+  // if it goes to zero, beep the sound and stop the counting
+  alarmInterval = setInterval(() => {
+    timeRemaining = timeRemaining - 1;
+
+    updateDisplay();
+
+    if (timeRemaining === 0) {
+      playAlarm();
+      clearInterval(alarmInterval);
+    }
+  }, 1000);
+}
 
 // DO NOT EDIT BELOW HERE
 
@@ -19,7 +60,8 @@ function playAlarm() {
 }
 
 function pauseAlarm() {
+  clearInterval(alarmInterval);
   audio.pause();
 }
 
-window.onload = setup;
+window.onload = setup;
\ No newline at end of file
diff --git a/Sprint-3/alarmclock/alarmclock.test.js b/Sprint-3/alarmclock/alarmclock.test.js
index 85b7356dc..6fdfa258f 100644
--- a/Sprint-3/alarmclock/alarmclock.test.js
+++ b/Sprint-3/alarmclock/alarmclock.test.js
@@ -44,6 +44,7 @@ test("should set heading when button is clicked", () => {
   button.click();
 
   expect(heading).toHaveTextContent("Time Remaining: 00:19");
+
 });
 
 test("should split values over 60 seconds into minutes and seconds", () => {
diff --git a/Sprint-3/alarmclock/index.html b/Sprint-3/alarmclock/index.html
index 48e2e80d9..048439063 100644
--- a/Sprint-3/alarmclock/index.html
+++ b/Sprint-3/alarmclock/index.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <link rel="stylesheet" href="style.css" />
-    <title>Title here</title>
+    <title>Alarm Clock</title>
   </head>
   <body>
     <div class="centre">
@@ -17,4 +17,4 @@ <h1 id="timeRemaining">Time Remaining: 00:00</h1>
     </div>
     <script src="alarmclock.js"></script>
   </body>
-</html>
+</html>
\ No newline at end of file
