MHo 2009-11-08 I notice the following:
Tcl 8.4:
% info pa 8.4.19 % clock format [clock seconds] -format %c Sonntag, 8. November 2009 21:42:24 %
(that's what I expected)
Tcl 8.5:
% info pa 8.5.7 % clock format [clock seconds] -format %c Sun Nov 8 21:47:23 2009 %