@echo off

set dirtobackup=%~n1
set backupdir=C:\Archivio\Backup
set whereProjectsAre=C:\Progetti

cd %whereProjectsAre%
set stringaTempo=%DATE:~6%_%DATE:~3,2%_%DATE:~0,2%_h%TIME:~0,2%%TIME:~3,2%
zip -r %backupdir%\%dirtobackup%_%stringaTempo: =0%.zip %dirtobackup%