GetDate.cmd

   @echo off&SETLOCAL

   :: This will return date into environment vars
   :: Works on any NT/2K/XP machine independent of regional date settings
   :: 20 March 2002

   FOR /f "tokens=1-4 delims=/-. " %%G IN ('date /t') DO (call :s_fixdate %%G %%H %%I %%J)
   goto :s_print_the_date
   
   :s_fixdate
   if "%1:~0,1%" GTR "9" shift
   FOR /f "skip=1 tokens=2-4 delims=(-)" %%G IN ('echo.^|date') DO (
       set %%G=%1&set %%H=%2&set %%I=%3)
   goto :eof

   :s_print_the_date
   echo Month:[%mm%]  Day:[%dd%]  Year:[%yy%]
   ENDLOCAL&SET mm=%mm%&SET dd=%dd%&SET yy=%yy%

The above works by taking advantage of a quirk in the date command first noticed by Michael Jerkovic - the DATE command will display something like:

The current date is: Fri 14/04/2000
Enter the new date: (dd-mm-yy)

The useful bit there is the (dd-mm-yy), on a machine with different regional settings it may appear as (mm-dd-yy)

The first FOR command returns the 3 numeric parts of the date e.g. 14 04 2000
The second FOR command returns the 3 text descriptions e.g. dd mm yy
Then the line set %%G=%1&set %%H=%2&set %%I=%3 creates the 3 variables and sets them = numeric values

Effectively: set dd=14&set mm=04&set yy=2000
On a machine with different regional settings this might become: set mm=04&set dd=14&set yy=2000

Note the reason this works with any regional setting is that the DATE string (dd-mm-yy) always displays with `-` as it's date separator.

Related

alt.msdos.batch.nt - thread on this topic
Enhancement by Gary Deane
Commandline.co.uk - date/time scripts
Rob Vanderwoude - date/time scripts