Add a human-readable date column type

wagtail/admin/templates/wagtailadmin/tables/date_cell.html

@@ -0,0 +1,6 @@
+{% load i18n wagtailadmin_tags %}
+<td {% if column.classname %}class="{{ column.classname }}"{% endif %}>
+    {% if value %}
+        <div class="human-readable-date" title="{{ value|date:"DATETIME_FORMAT" }}">{% blocktrans with time_period=value|timesince %}{{ time_period }} ago{% endblocktrans %}</div>
+    {% endif %}
+</td>

wagtail/admin/ui/tables.py

@@ -138,6 +138,11 @@ class StatusFlagColumn(Column):
         self.false_label = false_label
 
 
+class DateColumn(Column):
+    """Outputs a date in human-readable format"""
+    cell_template_name = "wagtailadmin/tables/date_cell.html"
+
+
 class Table(Component):
     template_name = "wagtailadmin/tables/table.html"
     classname = 'listing'