diff --git a/core/templates/core/child_detail.html b/core/templates/core/child_detail.html
index db32f405..f362bb51 100644
--- a/core/templates/core/child_detail.html
+++ b/core/templates/core/child_detail.html
@@ -62,6 +62,11 @@
                                     {% blocktrans trimmed with since=object.time|timesince time=object.time|time %}
                                         {{ since }} ago ({{ time }})
                                     {% endblocktrans %}
+                                    {% if object.duration %}
+                                        <div>
+                                            <small>Duration: {{ object.duration }}</small>
+                                        </div>
+                                    {% endif %}
                                     {% if object.edit_link %}
                                         <div>
                                             <small><a href="{{ object.edit_link }}">Edit</a></small>
diff --git a/core/timeline.py b/core/timeline.py
index 4e2a8aa5..4f95e9cc 100644
--- a/core/timeline.py
+++ b/core/timeline.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 from django.urls import reverse
-from django.utils import timezone
+from django.utils import timezone, timesince
 from django.utils.translation import gettext as _
 
 from core.models import DiaperChange, Feeding, Sleep, TummyTime
@@ -64,6 +64,7 @@ def get_objects(child, date):
             },
             'details': details,
             'edit_link': edit_link,
+            'duration': timesince.timesince(instance.start, now=instance.end),
             'model_name': instance.model_name,
             'type': 'end'
         })
@@ -87,6 +88,7 @@ def get_objects(child, date):
                 'child': instance.child.first_name
             },
             'edit_link': edit_link,
+            'duration': timesince.timesince(instance.start, now=instance.end),
             'model_name': instance.model_name,
             'type': 'end'
         })
@@ -110,6 +112,7 @@ def get_objects(child, date):
                 'child': instance.child.first_name
             },
             'edit_link': edit_link,
+            'duration': timesince.timesince(instance.start, now=instance.end),
             'model_name': instance.model_name,
             'type': 'end'
         })