(a) Abu Qilabah narrates from Sayyiduna Anas (may Allah be pleased with him) that qunut is in the Fajr and Maghrib prayers.
(b) In another narration it is stated that qunut is made in the Maghrib and Fajr prayers.
(c) From Sayyiduna Ibn Abbas (may Allah be pleased with them both) it is also transmitted, regarding this story, that it was in all the prayers.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 3097