diff --git a/components/availability/AvailabilityForm.js b/components/availability/AvailabilityForm.js
index 6a57f7a..839b55e 100644
--- a/components/availability/AvailabilityForm.js
+++ b/components/availability/AvailabilityForm.js
@@ -67,9 +67,9 @@ export default function AvailabilityForm({ publisherId, existingItems, inline, o
 
   // Define the minimum and maximum times
   const minTime = new Date();
-  minTime.setHours(8, 0, 0, 0); // 8:00 AM
+  minTime.setHours(9, 0, 0, 0); // 8:00 AM
   const maxTime = new Date();
-  maxTime.setHours(18, 30, 0, 0); // 8:00 PM
+  maxTime.setHours(19, 30, 0, 0); // 8:00 PM
 
   useEffect(() => {
     setTimeSlots(generateTimeSlots(minTime, maxTime, 90, availabilities));
@@ -286,7 +286,7 @@ export default function AvailabilityForm({ publisherId, existingItems, inline, o
     const slots = [];
     let currentTime = start;
 
-    const baseDate = new Date(2000, 0, 1); // Use a constant date for all time comparisons
+    const baseDate = new Date(Date.UTC(2000, 0, 1, 0, 0, 0));
 
     while (isBefore(currentTime, end)) {
       let slotStart = normalizeTime(currentTime, baseDate);