[fpc-pascal] WeekDay outdated?

[Jürgen Hestermann]

Am 2012-08-13 00:02, schrieb Daniel Gaspary:
> On Sun, Aug 12, 2012 at 2:05 PM, Jürgen Hestermann
> <juergen.hestermann at gmx.de>  wrote:
>> I am not able to use this function:
>> http://www.freepascal.org/docs-html/rtl/dos/weekday.html
>> nor can I find it in the sources.
>> Does it still exist?
>> If yes, how to use it? Which unit? DOS does not work.
> You will find what you need at unit dateutils.

When I add dateutils to my units Weekday isn't found either (I already tried this yesterday).