@echo off

set TAG=%DATE:~0,2%
set MONAT=%DATE:~3,2%
set JAHR=%DATE:~6,4%
set STUNDE=%TIME:~0,2%
set MINUTE=%TIME:~3,2%
set SEKUNDE=%TIME:~6,2%
set BASEURL=https://log.mq32.de/%%23zfx/
set DAILYURL=%BASEURL%%JAHR%-%MONAT%-%TAG%.html

:: echo %DAILYURL%
start %DAILYURL%