@echo off
set aDate=%time: =%
for /f "tokens=1-4 delims=:." %%i in ("%aDate%") do set/a n1=100%%i%%100,n2=100%%j%%100+10,n3=100%%k%%100,n4=100%%l%%100
if %n2% gtr 59 set/a n1+=1
set/a h2=n2%%60,n1=n1%%24
echo %aDate% 10分钟后时间  %n1%:%h2%:%n3%:%n4%
echo\&pause&exit
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@echo off
:lp
set /a t=%time:~,2%,m=1%time:~3,2%%%100+10
set "s=%time:~6%"
if %m% geq 60 set /a m-=60,t+=1
if %t% geq 24 set /a t-=24
set /p=%t%:%m%:%s%<nul
for /l %%i in (1,1,20) do set /p=<nul
goto lp
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@echo off
set /a t=1%time:~3,2%%%100
if %t% geq 30 (
   echo 18:00
   ) else (
   echo 17:30
)
pause>nul
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@echo off
set /a t=%time:~,2%,m=1%time:~3,2%%%100
if %m% geq 30 set /a t+=1 (
echo %t%:00
) else (
echo %t%:30)
@pause
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