What is it?
An Arbeitszeitkalender (working hours calendar) is a document. Here, you record when and how long you worked.
This allows you to prove your working hours and show how many hours you have worked.
Where can I get it?
Here you can find examples in different languages. They show you how to document your working hours.
What does it look like?
An Arbeitszeitkalender (working hours calendar) is usually a table. You can keep it digitally on a computer or mobile phone.
You can also create it yourself using pen and paper. Or you can ask BEMA (Berliner Beratungsstelle für Migration und Gute Arbeit) for a printed copy.