Ist das Freitagsgebet Pflicht?

Ja, für erwachsene muslimische Männer, die teilnehmen können; es ersetzt am Freitag das Ẓuhr-Gebet und besteht aus Predigt und zwei Rakʿas. Der Koran gebietet, dem Ruf dazu zu folgen. (Quran 62:9 · Sahih Muslim 865)

Prayer

Is the Friday prayer obligatory?

Answer

Yes, for adult Muslim men who are able to attend; it replaces Ẓuhr on Friday and consists of a sermon plus two rakʿas. The Quran commands hastening to it when the call is made.

Source: Quran 62:9 · Sahih Muslim 865

Prayer

How many obligatory prayers are there each day?
How many rakʿas does each obligatory prayer have?
What should I do if I miss a prayer?
Why is praying in congregation emphasised?
What is the Witr prayer and when is it prayed?

These are general explanations, not a fatwa. For your personal situation ask a qualified scholar you trust.

All questions