It was narrated from Ibn ‘Abbas that the Messenger of Allah (ﷺ) stayed in Makkah for fifteen nights during the year of the Conquest, (during which time) he shortened his prayer
Hadith No. 1076
Sunan Ibn Majah
Gradings:
Al-Albani:
Daif
Muhammad Fouad Abd al-Baqi:
Daif
Zubair Ali Zai:
Sahih