CMD date yyyy-mm-dd

@ECHO OFF

for /f "delims=" %%a in ('wmic OS Get localdatetime ^| find "."') do set dt=%%a

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

ECHO %dt%
ECHO %year%
ECHO %month%
ECHO %day%