Bob Showalter wrote:
>
> ISO8601 defines a standard, but not everyone follows it. See:
>
> http://www.mcs.vuw.ac.nz/technical/software/SGML/doc/iso8601/ISO8601.html
>
> Excerpt:
>
> "An ordinal date is identified by a given day in a given year. A week is
> identified by its number in a given year. A week begins with a Monday, and
> the first week of a year is the one which includes the first Thursday, or
> equivalently the one which includes January 4."
>
> Here's January, 2004:
>
>  $ cal 1 2004
>      January 2004
>  Su Mo Tu We Th Fr Sa
>               1  2  3
>   4  5  6  7  8  9 10
>  11 12 13 14 15 16 17
>  18 19 20 21 22 23 24
>  25 26 27 28 29 30 31
>
> Since weeks start on Monday, the week ending on Sunday, January 4 was week
> 1.
>
> The DateTime family of modules on CPAN supports this standard.

Thanks Bob. It's always nice to have a document to prod.

Strange though, since

> A week begins with a Monday

yet the tabulation starts on Sunday.

Rob



-- 
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
<http://learn.perl.org/> <http://learn.perl.org/first-response>


Reply via email to