diff --git a/app/assets/javascripts/fullcalendar.js b/app/assets/javascripts/fullcalendar.js
index c743d342..1e3b20b3 100644
--- a/app/assets/javascripts/fullcalendar.js
+++ b/app/assets/javascripts/fullcalendar.js
@@ -4,7 +4,10 @@ $( document ).ready(function() {
     let fullcalData = $('#fullcalendar');
 
     var calendar = new FullCalendar.Calendar(calendarEl, {
+      expandRows: true,
       allDaySlot: false,
+      slotMinTime: fullcalData.data('startHour') + ':00:00',
+      slotMaxTime: fullcalData.data('endHour') + ':00:00',
       timeZone: 'UTC', // TODO: Events are stored in conference's timezone implicitly (UTC+0) in the database 
       initialDate: fullcalData.data('day'),
       initialView: 'resourceTimeGridDay',
diff --git a/app/views/schedules/vertical_schedule.haml b/app/views/schedules/vertical_schedule.haml
index ee6c49c5..23747f35 100644
--- a/app/views/schedules/vertical_schedule.haml
+++ b/app/views/schedules/vertical_schedule.haml
@@ -6,4 +6,5 @@
     = @conference.title
 
   #vert-schedule-full-calendar
-  #fullcalendar{ data: { rooms: @rooms, events: @event_schedules, day: @day } }
+  #fullcalendar{ data: { rooms: @rooms, events: @event_schedules, day: @day, |
+    'start-hour': @conference.start_hour, 'end-hour': @conference.end_hour } }