diff -r 436400e7f807 -r a93e2ed5877a schemas/base.py
--- a/schemas/base.py	Fri Oct 07 11:47:42 2011 +0200
+++ b/schemas/base.py	Fri Oct 07 15:55:14 2011 +0200
@@ -278,8 +278,9 @@
     url = String(description=_('URLs from which content will be imported. You can put one url per line'))
     parser = String(description=_('parser to use to extract entities from content retrieved at given URLs.'))
     latest_retrieval = Datetime(description=_('latest synchronization time'))
-    synchronizing = Boolean(description=_('currently in synchronization'),
-                            default=False)
+    in_synchronization = TZDatetime(description=_('start timestamp of the currently in synchronization, or NULL when no synchronization in progress.'),
+                                    default=False)
+
 
 ENTITY_MANAGERS_PERMISSIONS = {
     'read':   ('managers',),