CrLf

@echo off
set /a "m=1%date:~5,2%-101",y=%date:~,4%-!m","m+=!m*12,"d=30+(m-m/8)%%2-!(m-2)*2-!(m-2)*(!(y%%4)&!(!(y%%100))|!(y%%400))"
echo %m%月%d%日
pause
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