@Echo Off
SetLocal EnableExtensions EnableDelayedExpansion

For /F "Delims=" %%I In ('date /t') Do Set D=%%~I
For /F "Delims=" %%I In ('time /t') Do Set T=%%~I
Echo !D!!T!
set t=%time%
set t=%t::=_%
set t=%t:,=_%

set d=%date%
set d=%d:.=_%

echo %d%%t%

set day=%DATE:~0,2%
set month=%DATE:~3,2%
set year=%DATE:~6,4%

set hour=%TIME:~0,2%
set minute=%TIME:~3,2%
set second=%TIME:~6,2%

echo %day%
echo %month%
echo %year%

echo %hour%
echo %minute%
echo %second%

set YYYYMMDD=%year%_%month%_%day%_%hour%_%minute%_%second%

echo %YYYYMMDD%
 del ex1.txt
echo *\*build*\* >> ex1.txt
 "C:\Program Files (x86)\WinRAR\rar.exe" a %YYYYMMDD% 555 -x@ex1.txt