Help

[Matthewza]

Hello,

I need help I want to set my server to restart every week on a friday I got the code but I don't get what

/a time=%time%

means

@echo off
                  title .:Blabbers Server Restarter:.
          :start
                  set time=604800
                  start notepad.exe
          :loop
                  cls
                  IF %time% GTR 0 (
                  set /a time=%time% - 1
                    set /a min=%time%/10080
                    echo Blabbers Hotel Will Restart In %time% Seconds.
                    echo Blabbers Hotel will Restart in %time% Seconds Which is %min% Minutes.
                  ping 127.0.0.1 -n 2 > NUL
                  goto loop
                  )
          taskkill /f /im notepad.exe
          cls
        close server
        goto start