fixed missing time in "Date and time range" picker

Closes #2027

pages/forms/advanced.html

@@ -1174,7 +1174,7 @@
     //Date range picker
     $('#reservation').daterangepicker()
     //Date range picker with time picker
-    $('#reservationtime').daterangepicker({ timePicker: true, timePickerIncrement: 30, format: 'MM/DD/YYYY h:mm A' })
+    $('#reservationtime').daterangepicker({ timePicker: true, timePickerIncrement: 30, locale: { format: 'MM/DD/YYYY hh:mm A' }})
     //Date range as a button
     $('#daterange-btn').daterangepicker(
       {