Ayatollah Sistani's fatwa on the wojub (mandatory character) of Firday prayer:

Fatwa, posted 4.22.2010, from Iraq, in:
Religious Authority: 
Ali al-Sistanti
Website URL: 
http://www.sistani.org/
Fatwa Question or Essay Title: 
Ayatollah Sistani's fatwa on the wojub (mandatory character) of Firday prayer:

[Friday prayer] is wajib-e takhyeri, meaning it is obligatory but optional at the same time; that is, if a person says Friday prayer, he does not have to say noon prayer.

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