in reply to Re^3: Getting Ordinal Number of a Week in a Given Date
in thread Getting Ordinal Number of a Week in a Given Date

I don't think so:
perl -MPOSIX -MTime::Local -le'print strftime q/%W/, localtime timelocal(0,0,0,1,0,2005)'
Result: 00

s$$([},&%#}/&/]+}%&{})*;#$&&s&&$^X.($'^"%]=\&(|?*{%
+.+=%;.#_}\&"^"-+%*).}%:##%}={~=~:.")&e&&s""`$''`"e