Thanks very much to both of you for your links & explanations - it is indeed my data supplier who is wrong (in many, many ways). Now I just need to work out how _they_ are deriving the week number - which I suspect will be _much_ more difficult...
-----Original Message----- From: John Peacock [mailto:[EMAIL PROTECTED]] Sent: 10 December 2002 15:13 To: John Peacock Cc: Stevenson, Jonathan; [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: Re: Date::Calc week number calculation John Peacock wrote: > since the first Thusday in January is Jan 2, 2003, that is Week 1 (and > hence Date::Calc is "wrong"). Note also the last line of that answer > (that this numbering is not used in the US). > Sorry, I read your description the wrong way round; Date::Calc is correct (sorry Steffen!) and your _vendor_ is wrong. John -- John Peacock Director of Information Research and Technology Rowman & Littlefield Publishing Group 4720 Boston Way Lanham, MD 20706 301-459-3366 x.5010 fax 301-429-5747
