@echo off
   SETLOCAL
   
      :: This will return time into environment vars
      :: Works on any NT/2K/XP/2003 machine independent of time format
      :: 10 Nov 2002 - updated July 2006

   FOR /f "tokens=*" %%G IN ('time/t') DO set _time=%%G
   SET _time=%_time:~0,2%-%_time:~3,2%
   ENDLOCAL&SET _time=%_time%
   
   SET _time

:: see also http://www.robvanderwoude.com/amb_datetime.html
:: http://www.commandline.co.uk/cmdfuncs/dandt/index.html