Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) narrates that the Prophet (peace and blessings be upon him) said: "Whoever reaches Arafah before true dawn has caught the Hajj."
Al-Tabarani recorded it in al-Mu'jam al-Kabir and al-Mu'jam al-Awsat; its chain contains Umar bin Qays al-Makki, who is da'if (weak) and matruk (abandoned). In one narration in al-Mu'jam al-Awsat the words are: "before the sun rises," but that manuscript is defective. Before this, from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both),
this report has already passed: "Hajj is (standing at) Arafat." It passed in the chapter on standing.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الحج / 5558
Hadith Gradingمحدثین:إسنادہ ضعیف
Hadith Takhrij«اخرجه الطبراني فى المعجم الكبير (11496) ، أخرجه المعجم الأوسط للطبراني برقم: 5840، 6298، وأخرجه المعجم الكبير للطبراني برقم: 11496»