Arbeitstage APP
It is possible to create different scenarios: For example, "Today until the end of the year" or "From the 1st of January to the 30th of June".
Holidays and vacations are usually maintained 2 to 4 years in advance. You can also add new holidays (for example, regional holidays) in the app.
And one more hint: The app is intended to calculate working days in a rather manageable period from one month to a few years. It is explicitly not an app to calculate the working days until retirement when it is still far off.
Please send suggestions or criticism to lausitzsoftware@yahoo.de.