Node Startup Script that changes CD based on time of year

Node Startup Time of Year.bat

@echo off
set summer=false
for /f "delims=" %%a in ('wmic OS Get localdatetime ^| find "."') do set dt=%%a
set year=%dt:~0,4%
set month=%dt:~4,2%
set day=%dt:~6,2%

if %month%==01 set monthname=January
if %month%==02 set monthname=Febuary
if %month%==03 set monthname=March
if %month%==04 set monthname=April
if %month%==05 set monthname=May
if %month%==06 set monthname=June
if %month%==07 set monthname=July
if %month%==08 set monthname=August
if %month%==09 set monthname=September
if %month%==10 set monthname=October
if %month%==11 set monthname=November
if %month%==12 set monthname=December

echo %monthname%

if %month%==01 set summer=false  
if %month%==02 set summer=false  
if %month%==03 set summer=true  
if %month%==04 set summer=true  
if %month%==05 set summer=true  
if %month%==06 set summer=true  
if %month%==07 set summer=true  
if %month%==08 set summer=true
if %month%==09 set summer=true 
if %month%==10 set summer=false 
if %month%==11 set summer=false  
if %month%==12 set summer=false  

echo The Summer variable is: %summer%.

if %summer% == false ( 
title app_name
cd C:\path
:startux
echo Launching Exhibit...
npm start run
goto startux
)

if %summer% == true ( 
title app_name
cd C:\path
:startux
echo Launching Exhibit...
npm start run
goto startux
)