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

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

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