This Surah takes its name from v. 27.
Period of Revelation
As this Surah contains the characteristics of both the Makki and the Madani Surahs, the commentators have differed as to its period of revelation, but in the light of its style and themes we are of the opinion that a part of it (vv. 1-24) was sent down in the last stage of the Makki life of the Holy Prophet a little before migration and the rest (vv. 25-78) during the first stage of his Madani life. That is why this Surah combines the characteristics of both the Makki and the Madani Surahs.
The sudden change of the style from v. 25 shows that probably vv. 25-78 were sent down in the month of Zul-Hijjah in the very first year after Hijrah. This is indicated by vv. 25-41 and confirmed by the occasion of the revelation of vv. 39-40. It appears that the month of Zul-Hijjah must have brought to the immigrants nostalgic memories of their homes in Makkah and naturally they must have thought of their Sacred City and of their Haj