[cmd] 날짜, 시간 출력 %date% %time%

date

echo %date%         # 2014-12-03
echo %date:-=%      # 20141203

time

echo %time%         # 10:08:31.60
echo %time:~0,2%    # 10
echo %time:~3,2%    # 08
echo %time:~6,2%    # 31