Special date/cal needs eg. "thrid friday of july"

Hi Linux Admins,

is there a command to get something like "thrid friday of july" or "second 
wednesday each month"? I crossread the manuals for date and gcal, but it 
seems to be impossible. Next thing I found was gcal, with 
"--period-of-fixed-dates", but I have not been able to get useful results, 
and 
date -d "35 tuesday" (35th tuesday of a year), but I have not been able to 
limit it to months nor selecting the year (by the way, I do not need it).

Has somebody experience with this one, and can you give me a hint where to 
look, or even an example?

Thanks a lot in advance,
-- 
Mit freundlichen Grüßen

i.A. Martin Klier
Systemadministration / Datenbanken
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A.T.U Auto-Teile-Unger
Handels GmbH & Co. KG

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