Index: openacs-4/packages/acs-templating/tcl/date-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-templating/tcl/date-procs.tcl,v
diff -u -N -r1.63.2.1 -r1.63.2.2
--- openacs-4/packages/acs-templating/tcl/date-procs.tcl	10 Mar 2019 21:59:11 -0000	1.63.2.1
+++ openacs-4/packages/acs-templating/tcl/date-procs.tcl	25 Apr 2019 07:06:23 -0000	1.63.2.2
@@ -626,7 +626,7 @@
   # get the hour value
   set hour [lindex $now 3]
   # replace the hour and minute values in the now list with new values
-  set now [lreplace $now 3 4 [incr hour $minute]]
+  set now [lreplace $now 3 4 [incr hour] $minute]
 
   return [create {*}$now]
 }