Kursī (which suggests chair, but possibly failed to originally confer with that in context; the origin and which means are unidentified, but it might be translated as "enthronement") constantly starts on Thursday and lasts 7 days. It is the longest and many advanced ceremony. The laylat al-hinna is on https://connerxmvgu.blogdun.com/31232450/zar-music-no-further-a-mystery