edit this config file: sqldeveloper.conf C:\Program Files\....\sqldeveloper\bin\sqldeveloper.conf then add this line anywhere in the file: AddVMOption -Duser.timezone="+02:00" (My time zone)
![](https://blog.beyondsolutions.it/wp-content/uploads/2011/11/486948-125x125.png)
edit this config file: sqldeveloper.conf C:\Program Files\....\sqldeveloper\bin\sqldeveloper.conf then add this line anywhere in the file: AddVMOption -Duser.timezone="+02:00" (My time zone)