Output I get (Version 6.0 of Date::Manip):

Friday, December 29, 2000        --> Fri --> 2000w52
Saturday, December 30, 2000      --> Sat --> 2000w52
Sunday, December 31, 2000        --> Sun --> 2000w52
Monday, January  1, 2001         --> Mon --> 2001w01
Tuesday, January  2, 2001        --> Tue --> 2001w01
Wednesday, January  3, 2001      --> Wed --> 2001w01
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--Chris

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