diff --git a/ietf/meeting/views.py b/ietf/meeting/views.py
index 9558579c2..af3d67d6b 100644
--- a/ietf/meeting/views.py
+++ b/ietf/meeting/views.py
@@ -1066,6 +1066,7 @@ def session_details(request, num, acronym ):
                     'meeting' :meeting ,
                     'acronym' :acronym,
                     'can_manage_materials' : can_manage,
+                    'thisweek': datetime.date.today()-datetime.timedelta(days=7),
                   })
 
 class SessionDraftsForm(forms.Form):
diff --git a/ietf/templates/meeting/session_details.html b/ietf/templates/meeting/session_details.html
index faf915fb4..f6d748ee4 100644
--- a/ietf/templates/meeting/session_details.html
+++ b/ietf/templates/meeting/session_details.html
@@ -16,7 +16,9 @@
 
 
   <h1>{{ meeting }} : {{ acronym }}
-    <a class="regular pull-right" title="icalendar entry for {{acronym}}@{{meeting.number}}" href="{% url 'ietf.meeting.views.ical_agenda' num=meeting.number acronym=acronym %}"><span class="fa fa-calendar"></span></a>
+    {% if meeting.date >= thisweek %}
+      <a class="regular pull-right" title="icalendar entry for {{acronym}}@{{meeting.number}}" href="{% url 'ietf.meeting.views.ical_agenda' num=meeting.number acronym=acronym %}"><span class="fa fa-calendar"></span></a>
+    {% endif %}
   </h1>
 
 
diff --git a/ietf/templates/meeting/session_details_panel.html b/ietf/templates/meeting/session_details_panel.html
index 141fdc3dc..6a8dfd8b3 100644
--- a/ietf/templates/meeting/session_details_panel.html
+++ b/ietf/templates/meeting/session_details_panel.html
@@ -2,7 +2,9 @@
 
   {% for session in sessions %}
     <h2 class="anchor-target" id="session_{{session.pk}}">{% if sessions|length > 1 %}Session {{ forloop.counter }} : {% endif %}{{ session.time }}{% if session.name %} : {{ session.name }}{% endif %}
-      <a class="regular pull-right" title="icalendar entry for {{acronym}} session {{ forloop.counter }}" href="{% url 'ietf.meeting.views.ical_agenda' num=meeting.number session_id=session.id %}"><span class="fa fa-calendar"></span></a>
+      {% if meeting.date >= thisweek %}
+        <a class="regular pull-right" title="icalendar entry for {{acronym}} session {{ forloop.counter }}" href="{% url 'ietf.meeting.views.ical_agenda' num=meeting.number session_id=session.id %}"><span class="fa fa-calendar"></span></a>
+      {% endif %}
     </h2>
     {% if session.agenda_note %}<h3>{{session.agenda_note}}</h3>{% endif %}