The Two Festivals (Eids)
Bukhari :: Book 2 :: Volume 15 :: Hadith 71
I heard the Prophet (p.b.u.h) delivering a Khutba saying, "The first thing to be done on this day (first day of 'Id ul Adha) is to pray; and after returning from the prayer we slaughter our sacrifices (in the name of Allah) and whoever does so, he acted according to our Sunna (traditions)."
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