diff --git a/app/controllers/conference_controller.rb b/app/controllers/conference_controller.rb
index 1dc1ded8..146fca38 100644
--- a/app/controllers/conference_controller.rb
+++ b/app/controllers/conference_controller.rb
@@ -13,12 +13,13 @@ class ConferenceController < ApplicationController
 
   def schedule
     @rooms = @conference.venue.rooms if @conference.venue
-    unless @conference.program.events.scheduled.any?
+    unless @program.selected_schedule.present? && @program.events.scheduled(@program.selected_schedule).any?
       redirect_to events_conference_path(@conference.short_title)
     end
 
     @events = @conference.program.events
-    @events_xml = @events.scheduled.order(start_time: :asc).group_by{ |event| event.start_time.to_date }
+    @events_xml = @program.schedules.find(program.selected_schedule).event_schedules.where('start_time IS NOT NULL AND room_id IS NOT NULL').order(start_time: :asc)
+                  .map(&:event).group_by{ |event| event.scheduled_start_time.to_date } if program.selected_schedule.present?
     @dates = @conference.start_date..@conference.end_date
     @step_minutes = EventType::LENGTH_STEP.minutes
     @conf_start = 9
@@ -36,8 +37,12 @@ class ConferenceController < ApplicationController
   def events
     @dates = @conference.start_date..@conference.end_date
 
-    @scheduled_events = @conference.program.events.scheduled
-    @unscheduled_events = @conference.program.events.unscheduled
+    if @program.selected_schedule.present?
+      @events_schedules = @program.schedules.find(@program.selected_schedule).event_schedules.where('start_time IS NOT NULL AND room_id IS NOT NULL').order(start_time: :asc)
+    else
+      @events_schedules = []
+    end
+    @unscheduled_events = @program.events.unscheduled(@program.selected_schedule.id)
 
     day = @conference.current_conference_day
     @tag = day.strftime('%Y-%m-%d') if day
diff --git a/app/controllers/proposal_controller.rb b/app/controllers/proposal_controller.rb
index db511fe7..e9cd028e 100644
--- a/app/controllers/proposal_controller.rb
+++ b/app/controllers/proposal_controller.rb
@@ -15,6 +15,7 @@ class ProposalController < ApplicationController
   def show
     # FIXME: We should show more than the first speaker
     @speaker = @event.speakers.first || @event.submitter
+    @event_schedule = @event.selected_event_schedule
   end
 
   def new
diff --git a/app/models/event.rb b/app/models/event.rb
index e46384d0..807339ee 100644
--- a/app/models/event.rb
+++ b/app/models/event.rb
@@ -249,13 +249,6 @@ class Event < ActiveRecord::Base
     (100 * result.values.count(true) / result.values.compact.count).to_s
   end
 
-  ##
-  # Returns end of the event
-  #
-  def end_time
-    self.scheduled_start_time + self.event_type.length.minutes
-  end
-
   ##
   # Returns the room in which the event is scheduled
   #
@@ -270,25 +263,18 @@ class Event < ActiveRecord::Base
     selected_event_schedule.try(:start_time)
   end
 
-  ##
-  # Returns events that are scheduled in the same room and start_time as event
-  #
-  def intersecting_events
-    room.events.where(start_time: start_time).where.not(id: id)
-  end
-
   # returns the event_schedule for this event and the schedule given in case that it exists
   def event_schedule(schedule_id)
     event_schedules.find_by(schedule_id: schedule_id)
   end
 
-  private
-
   # returns the event_schedule for this event and for the selected_schedule
   def selected_event_schedule
     event_schedules.find_by(schedule_id: program.try(:selected_schedule))
   end
 
+  private
+
   ##
   # Do not allow, for the event, more attendees than the size of the room
   def max_attendees_no_more_than_room_size
diff --git a/app/models/event_schedule.rb b/app/models/event_schedule.rb
index 7aa8db45..157a478e 100644
--- a/app/models/event_schedule.rb
+++ b/app/models/event_schedule.rb
@@ -3,7 +3,25 @@ class EventSchedule < ActiveRecord::Base
   belongs_to :event
   belongs_to :room
 
+  scope :confirmed, -> { joins(:event).where('state = ?', 'confirmed') }
+  scope :canceled, -> { joins(:event).where('state = ?', 'canceled') }
+  scope :withdrawn, -> { joins(:event).where('state = ?', 'withdrawn') }
+
   def room_guid
     room.try(:guid)
   end
+
+  ##
+  # Returns end of the event
+  #
+  def end_time
+    start_time + event.event_type.length.minutes
+  end
+
+  ##
+  # Returns events that are scheduled in the same room and start_time as event
+  #
+  def intersecting_events
+    room.event_schedules.where(start_time: start_time, schedule: schedule).where.not(id: id)
+  end
 end
diff --git a/app/models/program.rb b/app/models/program.rb
index 8258c9a4..a1f22c74 100644
--- a/app/models/program.rb
+++ b/app/models/program.rb
@@ -31,7 +31,7 @@ class Program < ActiveRecord::Base
       joins(:event_schedules).where('event_schedules.schedule_id = ? AND event_schedules.start_time IS NOT NULL AND event_schedules.room_id IS NOT NULL', schedule_id)
     end
 
-    def unscheduled(schedule_id=nil)
+    def unscheduled(schedule_id)
       select{ |e| e.unscheduled?(schedule_id) }
     end
 
diff --git a/app/views/conference/_carousel.html.haml b/app/views/conference/_carousel.html.haml
index 33826939..1f4b9a61 100644
--- a/app/views/conference/_carousel.html.haml
+++ b/app/views/conference/_carousel.html.haml
@@ -27,22 +27,21 @@
               %td.room{ style: "height: #{ td_height(@rooms) }px;" }
                 .room.elipsis.break-words{ style: "-webkit-line-clamp: #{ room_lines(@rooms) }; height: #{ room_height(@rooms) }px;" }
                   = room.name
-                - events = room.events{ |e| e.start_time >= start_time and e.start_time < (start_time + number_columns.hour)}
+                - event_schedules = room.event_schedules.select{ |e| (e.schedule_id == @conference.program.selected_schedule) && (e.start_time >= start_time) && (e.start_time < (start_time + number_columns.hour)) }
                 - (1..intervals).each do |i|
                   - if span > 1
                     - span -= 1
                   - else
-                    - event = events.find{|e| e.start_time <= start_room_time and e.end_time > start_room_time}
+                    - event_schedule = event_schedules.find{ |e| e.start_time <= start_room_time and e.end_time > start_room_time }
+                    - if event_schedule && (event_schedule.event.state == 'canceled' || event_schedule.event.state == 'withdrawn') && !event_schedule.intersecting_events.confirmed.empty?
+                      - replacement_event = event_schedule.intersecting_events.confirmed.first
+                      - event_schedule = (replacement_event.start_time <= start_room_time && replacement_event.end_time > start_room_time) ? replacement_event : nil
 
-                    - if event && (event.state == 'canceled' || event.state == 'withdrawn') && !event.intersecting_events.confirmed.empty?
-                      - replacement_event = event.intersecting_events.confirmed.first
-                      - event = (replacement_event.start_time <= start_room_time && replacement_event.end_time > start_room_time) ? replacement_event : nil
-
-                    - if event
+                    - if event_schedule
                       / There is an event, calculate the span and show it
-                      - event_span =  (event.end_time.to_i - start_room_time.to_i) / 60 / EventType::LENGTH_STEP
+                      - event_span =  (event_schedule.end_time.to_i - start_room_time.to_i) / 60 / EventType::LENGTH_STEP
                       - span = ((event_span + i - 1 ) > intervals ? intervals  + 1 - i : event_span)
-                      = render partial: 'schedule_item', locals: {event: event, span: span, width: width}
+                      = render partial: 'schedule_item', locals: {event: event_schedule.event, event_schedule: event_schedule, span: span, width: width}
                     - else
                       / if span equals 1 show an empty td
                       %td.no-padding{ width: "#{ width }%"}
diff --git a/app/views/conference/_event.html.haml b/app/views/conference/_event.html.haml
index fe849737..1be0e685 100644
--- a/app/views/conference/_event.html.haml
+++ b/app/views/conference/_event.html.haml
@@ -14,17 +14,17 @@
     %p
       = truncate(event.abstract, :length => 400)
       = link_to 'more', conference_program_proposal_path(@conference.short_title, event.id) if event.abstract.length > 400
-    - if event.scheduled?
+    - if event_schedule.present?
       %span.track
         %span.fa.fa-clock-o
         %span.label{ style: "background-color: grey" }
-          = event.start_time.strftime('%H:%M')
+          = event_schedule.start_time.strftime('%H:%M')
           \-
-          = event.end_time.strftime('%H:%M')
+          = event_schedule.end_time.strftime('%H:%M')
       %span.track
         %span.fa.fa-map-marker
         %span.label{ style: "background-color: grey" }
-          = event.room.name
+          = event_schedule.room.name
     - if event.track
       %span.track
         %span.fa.fa-road
@@ -35,7 +35,7 @@
 
   $("#link-#{event.id}").click(function(e) {
     var url = "#{url_for(conference_program_proposal_path(@conference.short_title, event.id))}";
-    
+
     if(e.ctrlKey)
       window.open(url,'_blank');
     else
diff --git a/app/views/conference/_schedule_item.html.haml b/app/views/conference/_schedule_item.html.haml
index 10e76c97..5d3f97c6 100644
--- a/app/views/conference/_schedule_item.html.haml
+++ b/app/views/conference/_schedule_item.html.haml
@@ -7,7 +7,7 @@
 
       - if event.state == 'canceled' || event.state == 'withdrawn'
         %span.label.label-danger.schedule-label CANCELED
-      - elsif event.state == 'confirmed' && (!event.intersecting_events.canceled.empty? || !event.intersecting_events.withdrawn.empty?)
+      - elsif event.state == 'confirmed' && (!event_schedule.intersecting_events.canceled.empty? || !event_schedule.intersecting_events.withdrawn.empty?)
         %span.label.label-info.schedule-label REPLACEMENT
 
       = event.title
diff --git a/app/views/conference/events.html.haml b/app/views/conference/events.html.haml
index d011390d..24092ec2 100644
--- a/app/views/conference/events.html.haml
+++ b/app/views/conference/events.html.haml
@@ -1,5 +1,5 @@
 .container#program
-  -if @scheduled_events.any?
+  -if @events_schedules.any?
     = render partial: 'schedule_tabs',  locals: { active: 'program' }
 
   %h1.text-center
@@ -22,24 +22,24 @@
     / scheduled events
     - date = nil
     - time = nil
-    - @scheduled_events.each do |event|
-      - unless event.start_time.strftime('%Y-%m-%d').eql?(date)
+    - @events_schedules.each do |event_schedule|
+      - unless event_schedule.start_time.strftime('%Y-%m-%d').eql?(date)
         .col-xs-12.col-md-12
           .date-content
-            %span{ class: 'date-title', id: "#{ event.start_time.strftime('%Y-%m-%d') }" }
-              = date = event.start_time.strftime('%Y-%m-%d')
+            %span{ class: 'date-title', id: "#{ event_schedule.start_time.strftime('%Y-%m-%d') }" }
+              = date = event_schedule.start_time.strftime('%Y-%m-%d')
             %a{ title: "Go up", class: "pull-right", href: "#program" }
               %i{ class: "fa fa-angle-double-up fa-lg", 'aria-hidden' => true }
-      - unless event.start_time.strftime('%H:%M').eql?(time)
+      - unless event_schedule.start_time.strftime('%H:%M').eql?(time)
         .col-xs-12.col-md-1
           .start-time
-            = time = event.start_time.strftime('%H:%M')
+            = time = event_schedule.start_time.strftime('%H:%M')
         .col-xs-12.col-md-11
           .new-time-event
-            = render partial: 'event', locals: {event: event}
+            = render partial: 'event', locals: { event: event_schedule.event, event_schedule: event_schedule }
       - else
         .col-xs-12.col-md-11.col-md-offset-1
-          = render partial: 'event', locals: {event: event}
+          = render partial: 'event', locals: { event: event_schedule.event, event_schedule: event_schedule }
 
     / confirmed events that are not scheduled
     - if @unscheduled_events.any?
@@ -52,7 +52,7 @@
       - @unscheduled_events.each do |event|
         .col-xs-12.col-md-12
           .unscheduled-event
-            = render partial: 'event', locals: {event: event}
+            = render partial: 'event', locals: { event: event, event_schedule: nil }
 
 :javascript
   $('.program-selector').on('click', function(e) {
diff --git a/app/views/conference/schedule.xml.haml b/app/views/conference/schedule.xml.haml
index e85ddf14..72c6ca88 100644
--- a/app/views/conference/schedule.xml.haml
+++ b/app/views/conference/schedule.xml.haml
@@ -16,8 +16,8 @@
           %room{ name: room.name }
             - events_in_rooms[room].each do |event|
               %event{ guid: event.guid, id: event.id }
-                %date= event.start_time.iso8601
-                %start= event.start_time.strftime('%H:%M')
+                %date= event.scheduled_start_time.iso8601
+                %start= event.scheduled_start_time.strftime('%H:%M')
                 %duration= length_timestamp(event.event_type.length)
                 %room= event.scheduled_room.name
                 %type= event.event_type.name
diff --git a/app/views/proposal/show.html.haml b/app/views/proposal/show.html.haml
index aaa1d379..2eedf981 100644
--- a/app/views/proposal/show.html.haml
+++ b/app/views/proposal/show.html.haml
@@ -17,7 +17,7 @@
 
       - if @event.state == 'canceled' || @event.state == 'withdrawn'
         %span.label.label-danger CANCELED
-      - elsif @event.state == 'confirmed' && (!@event.intersecting_events.canceled.empty? || !@event.intersecting_events.withdrawn.empty?)
+      - elsif @event.state == 'confirmed' && @event_schedule.present? && (!@event_schedule.intersecting_events.canceled.empty? || !@event_schedule.intersecting_events.withdrawn.empty?)
         %span.label.label-info REPLACEMENT
 
   .row
@@ -40,15 +40,16 @@
     .col-md-9
       .row
         .col-md-12
-          .lead
-            - if @event.state == 'confirmed' && !@event.intersecting_events.withdrawn.empty?
-              = "Please note that this talk replaces"
-              = link_to @event.intersecting_events.withdrawn.first.title,
-                    conference_program_proposal_path(@conference.short_title, @event.intersecting_events.withdrawn.first.id)
-            - elsif @event.state == 'confirmed' && !@event.intersecting_events.canceled.empty?
-              = "Please note that this talk replaces"
-              = link_to @event.intersecting_events.canceled.first.title,
-                    conference_program_proposal_path(@conference.short_title, @event.intersecting_events.canceled.first.id)
+          -if @event_schedule.present?
+            .lead
+              - if @event.state == 'confirmed' && !@event_schedule.intersecting_events.withdrawn.empty?
+                = "Please note that this talk replaces"
+                = link_to @event_schedule.intersecting_events.withdrawn.first.event.title,
+                      conference_program_proposal_path(@conference.short_title, @event_schedule.intersecting_events.withdrawn.first.event.id)
+              - elsif @event.state == 'confirmed' && !@event_schedule.intersecting_events.canceled.empty?
+                = "Please note that this talk replaces"
+                = link_to @event_schedule.intersecting_events.canceled.first.title,
+                      conference_program_proposal_path(@conference.short_title, @event_schedule.intersecting_events.canceled.first.event.id)
 
           - if @event.commercials.empty?
             %h5.text-warning
@@ -67,7 +68,7 @@
         %dl#proposal-info
           .col-md-12
             %dt Date:
-            %dd= @event.scheduled_start_time.strftime("%Y %B %e %H:%M") if @event.scheduled_start_time.present?
+            %dd= @event_schedule.start_time.strftime("%Y %B %e %H:%M") if @event_schedule.try(:start_time)
           .col-md-12
             %dt Duration:
             %dd= show_time(@event.event_type.length)
diff --git a/spec/controllers/conference_controller_spec.rb b/spec/controllers/conference_controller_spec.rb
index 1a766232..856d618d 100644
--- a/spec/controllers/conference_controller_spec.rb
+++ b/spec/controllers/conference_controller_spec.rb
@@ -39,8 +39,8 @@ describe ConferenceController do
 
       it 'assigns variables' do
         expect(assigns(:conference)).to eq conference
-        expect(assigns(:events_xml)).to eq conference.program.events.scheduled.
-                                           group_by{ |event| event.start_time.to_date }
+        expect(assigns(:events_xml)).to eq conference.program.schedules.find(conference.program.selected_schedule).event_schedules.where('start_time IS NOT NULL AND room_id IS NOT NULL')
+                        .order(start_time: :asc).map(&:event).group_by{ |event| event.scheduled_start_time.to_date }
       end
 
       it 'renders successfully' do