Establish prayer from declining of the sun till the darkening of the night and the Quran of the dawn. No doubt, angles are present in the Quran of the dawn.[17:78]
It is narrated on the authority of Yahya b. Ya'mur and Humaid b. 'Abdur-Rahman that they said: We met Abdullah b. 'Umar and we discussed about the Divine Decree, and what they talked about it and he narrated the hadith that has been transmitted by 'Umar (may Allah be pleased with him) from the Apostle (may peace be upon him). There is a slight variation in that.