diff --git a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/EmailThread_getCustomDate.xml b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/EmailThread_getCustomDate.xml
new file mode 100644
index 0000000000000000000000000000000000000000..e56bd9ede580d8446f06bc97f6697e89678140b0
--- /dev/null
+++ b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/EmailThread_getCustomDate.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_body</string> </key>
+            <value> <string>"""\n
+  Script to custom the date using, for example, abbreviated months\n
+  i.e\n
+    Feb 7\n
+  XXX - check if it is possible with DateField\n
+"""\n
+date = context.getStartDate()\n
+return "%s %s" % (date.aMonth(), date.day())\n
+</string> </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>EmailThread_getCustomDate</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/erp5_web_ung_mail_layout.xml b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/erp5_web_ung_mail_layout.xml
index f1324e94477b93385478a78bd115ce281619b312..baaa3b9bd3a652f00d355fbf049ce4ba853dbdc6 100644
--- a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/erp5_web_ung_mail_layout.xml
+++ b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/erp5_web_ung_mail_layout.xml
@@ -95,6 +95,7 @@
                         <string>your_toolbar</string>
                         <string>your_listbox</string>
                         <string>your_listbox_icon</string>
+                        <string>your_listbox_date</string>
                       </list>
                     </value>
                 </item>
diff --git a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/erp5_web_ung_mail_layout/your_listbox.xml b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/erp5_web_ung_mail_layout/your_listbox.xml
index 3fbfd1fe215ad699daad32fb847cff7100dd70e5..6183eb34d12a4c4087aa177d565908b0f0b8e4c4 100644
--- a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/erp5_web_ung_mail_layout/your_listbox.xml
+++ b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/erp5_web_ung_mail_layout/your_listbox.xml
@@ -102,7 +102,7 @@
                           <string>Title</string>
                         </tuple>
                         <tuple>
-                          <string>email_thread.start_date</string>
+                          <string>date</string>
                           <string>Date</string>
                         </tuple>
                       </list>
diff --git a/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/erp5_web_ung_mail_layout/your_listbox_date.xml b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/erp5_web_ung_mail_layout/your_listbox_date.xml
new file mode 100644
index 0000000000000000000000000000000000000000..127ebbdb0969a56dd589fb813e49d8388354c3f3
--- /dev/null
+++ b/bt5/erp5_web_ung_theme/SkinTemplateItem/portal_skins/erp5_web_ung_theme/erp5_web_ung_mail_layout/your_listbox_date.xml
@@ -0,0 +1,307 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="EditorField" module="Products.ERP5Form.EditorField"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>your_listbox_date</string> </value>
+        </item>
+        <item>
+            <key> <string>message_values</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>external_validator_failed</string> </key>
+                    <value> <string>The input failed the external validator.</string> </value>
+                </item>
+                <item>
+                    <key> <string>line_too_long</string> </key>
+                    <value> <string>A line was too long.</string> </value>
+                </item>
+                <item>
+                    <key> <string>required_not_found</string> </key>
+                    <value> <string>Input is required but no input given.</string> </value>
+                </item>
+                <item>
+                    <key> <string>too_long</string> </key>
+                    <value> <string>You entered too many characters.</string> </value>
+                </item>
+                <item>
+                    <key> <string>too_many_lines</string> </key>
+                    <value> <string>You entered too many lines.</string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>overrides</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>alternate_name</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>css_class</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>description</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>editable</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>enabled</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>external_validator</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>extra</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>height</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>hidden</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>max_length</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>max_linelength</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>max_lines</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>required</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>text_editor</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>unicode</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>whitespace_preserve</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>width</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>tales</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>alternate_name</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>css_class</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value>
+                      <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+                    </value>
+                </item>
+                <item>
+                    <key> <string>description</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>editable</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>enabled</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>external_validator</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>extra</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>height</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>hidden</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>max_length</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>max_linelength</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>max_lines</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>required</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>text_editor</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>unicode</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>whitespace_preserve</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>width</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>values</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>alternate_name</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>css_class</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>description</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>editable</string> </key>
+                    <value> <int>1</int> </value>
+                </item>
+                <item>
+                    <key> <string>enabled</string> </key>
+                    <value> <int>1</int> </value>
+                </item>
+                <item>
+                    <key> <string>external_validator</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>extra</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>height</string> </key>
+                    <value> <int>5</int> </value>
+                </item>
+                <item>
+                    <key> <string>hidden</string> </key>
+                    <value> <int>0</int> </value>
+                </item>
+                <item>
+                    <key> <string>max_length</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>max_linelength</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>max_lines</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>required</string> </key>
+                    <value> <int>0</int> </value>
+                </item>
+                <item>
+                    <key> <string>text_editor</string> </key>
+                    <value> <string>text_area</string> </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string>Date</string> </value>
+                </item>
+                <item>
+                    <key> <string>unicode</string> </key>
+                    <value> <int>0</int> </value>
+                </item>
+                <item>
+                    <key> <string>whitespace_preserve</string> </key>
+                    <value> <int>0</int> </value>
+                </item>
+                <item>
+                    <key> <string>width</string> </key>
+                    <value> <int>40</int> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+  <record id="2" aka="AAAAAAAAAAI=">
+    <pickle>
+      <global name="TALESMethod" module="Products.Formulator.TALESField"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_text</string> </key>
+            <value> <string>python: cell.EmailThread_getCustomDate()</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/bt5/erp5_web_ung_theme/bt/revision b/bt5/erp5_web_ung_theme/bt/revision
index 9ce0f492d80944457bbd2a7c2b839341343dce56..b6e27607fb529c10ffeb626c858f55206242edb7 100644
--- a/bt5/erp5_web_ung_theme/bt/revision
+++ b/bt5/erp5_web_ung_theme/bt/revision
@@ -1 +1 @@
-241
\ No newline at end of file
+242
\ No newline at end of file