From: address@is.invalid   
      
   Zaidy,   
      
   >I fell stupid but for the life of me I cannot see an error but Win 11 batch   
   >reports missing operand.   
      
   > SET /A T-Day=%T-Min% + (%T-Hour% * 60)    <<< missing operand ????   
      
   :-)  the cause is rather simple : the "-" in the first, target variables   
   name is, by the expression evaluator, seen as a minus sign.   
      
   Regards,   
   Rudy Wieser   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)