@echo off
set /a t1=(1%time:~0,2%-100)*1
if %t1% LSS 10 set t1=0%t1%
set ymd_hms=%date:~0,4%%date:~5,2%%date:~8,2%%t1%%time:~3,2%%time:~6,2%
md %ymd_hms%
cd %ymd_hms%
@echo off
set /a t1=(1%time:~0,2%-100)*1
if %t1% LSS 10 set t1=0%t1%
set ymd_hms=%date:~0,4%%date:~5,2%%date:~8,2%%t1%%time:~3,2%%time:~6,2%
md %ymd_hms%
cd %ymd_hms%