Thanks guys.
Possible solutions are
1. Use mktime which gives you the interface of mktime(2) to shell.
http://www.weirdways.com/technogeek/source/mktime/index.html
2. Use GNU date and do date -d "last Monday"
3. Use Perl script to do the trickB
4. Set the TZ to simulate the date within the script
5. Use a object created using a C-code.
Thanks to
John Leadeham <jl@cromwellmedia.co.uk>
Larry Garrett <Larry_Garrett@csx.com>
Birger Wathne <Birger.Wathne@getronics.no>
Jonathan.Loh@bankofamerica.com
Wis Macomson <wis@easystreet.com>
"Bruce R. Zimmer" <bzimmer@all-phase.com>
Jaewan Kim
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