There was some effort to do this as detailed here.
-[[http://ikiwiki.info/todo/Set_arbitrary_date_to_be_used_by_calendar_plugin/]]
+[[todo/Set_arbitrary_date_to_be_used_by_calendar_plugin]]
I had a quick go at doing something similar on Debian Stable (Ikiwiki 3.0) but alas my Ikiwiki fu is not strong enough.
and a suitable whilst loop looks to be all that's needed...
Any pointers appreciated.
+
+A [[!taglink patch]] has been proposed in [comment](#comment-d6f94e2b779d1c038b6359aad79ed14b)
+
+> This has been applied. --[[Joey]]