Index: openacs-4/packages/acs-templating/tcl/data-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-templating/tcl/data-procs.tcl,v
diff -u -r1.23.2.8 -r1.23.2.9
--- openacs-4/packages/acs-templating/tcl/data-procs.tcl	24 Mar 2021 16:38:42 -0000	1.23.2.8
+++ openacs-4/packages/acs-templating/tcl/data-procs.tcl	30 Jun 2021 07:51:52 -0000	1.23.2.9
@@ -371,7 +371,7 @@
     set error_msg [list]
     if { [info exists textdate] && $textdate ne "" } {
 	if { [regexp {^[0-9]{4}-[0-9]{2}-[0-9]{2}$} $textdate match] } {
-	    if { [catch { clock scan "${textdate}" }] } {
+	    if { [catch { clock scan -format {%Y-%m-%d} "${textdate}" }] } {
 		# the textdate is formatted properly the template::data::transform::textdate proc
 		# will only return correctly formatted dates in iso format, but the date is not
                 # valid so they have entered some info incorrectly