diff --git a/apps/Backend/src/ai/reschedule-graph.ts b/apps/Backend/src/ai/reschedule-graph.ts
index 6a8ab46a..d8e66bc7 100644
--- a/apps/Backend/src/ai/reschedule-graph.ts
+++ b/apps/Backend/src/ai/reschedule-graph.ts
@@ -271,8 +271,8 @@ async function isWithinOfficeHours(
       const slot = group?.[dayName];
       if (!slot?.enabled) continue;
       if (
-        (time >= slot.amStart && time <= slot.amEnd) ||
-        (time >= slot.pmStart && time <= slot.pmEnd)
+        (time >= slot.amStart && time < slot.amEnd) ||
+        (time >= slot.pmStart && time < slot.pmEnd)
       ) return true;
     }
     return false;
diff --git a/apps/Frontend/src/pages/appointments-page.tsx b/apps/Frontend/src/pages/appointments-page.tsx
index 0d871644..cb7798e2 100755
--- a/apps/Frontend/src/pages/appointments-page.tsx
+++ b/apps/Frontend/src/pages/appointments-page.tsx
@@ -341,8 +341,8 @@ export default function AppointmentsPage() {
     const dayHours = group[dayName];
     if (!dayHours || !dayHours.enabled) return false;
     return (
-      (timeStr >= dayHours.amStart && timeStr <= dayHours.amEnd) ||
-      (timeStr >= dayHours.pmStart && timeStr <= dayHours.pmEnd)
+      (timeStr >= dayHours.amStart && timeStr < dayHours.amEnd) ||
+      (timeStr >= dayHours.pmStart && timeStr < dayHours.pmEnd)
     );
   };