diff --git a/public/js/availability.js b/public/js/availability.js
index bfc3fd5f..eecade96 100644
--- a/public/js/availability.js
+++ b/public/js/availability.js
@@ -186,6 +186,8 @@ function populateTimeInput() {
 
   time = i + ":00";
   times.push(time);
+  time = i + ":30";
+	times.push(time);
 
   let selectStartTime = document.getElementById("selectStartTime");
 
@@ -464,4 +466,4 @@ window.onload = function () {
 };
 
 function main() {
-}
\ No newline at end of file
+}