Abu Bakra reported,

The Prophet ﷺ delivered a sermon during his pilgrimage and said, "Time has come full circle, returning to the form it had on the day Allah created the heavens and the earth. The year is twelve months, four of which are sacred. Three are consecutive, Dhul Qadah, Dhul Hijjah, and Muharram, and the fourth is Rajab of Mudar, which falls between Jumada and Shaban."Then he asked, "What day is this?"We replied, "Allah and His Messenger know best."He remained silent for so long that we thought he would give it a name other than its own. Then he said, "Is it not the Day of Sacrifice?"We said, "Yes."Then he asked, "What month is this?"We replied, "Allah and His Messenger know best."He remained silent for so long that we thought he would give it a name other than its own. Then he said, "Is it not Dhul Hijjah?"We said, "Yes."Then he asked, "What land is this?"We replied, "Allah and His Messenger know best."He remained silent for so long that we thought he would give it a name other than its own. Then he said, "Is it not the Sacred Land?"We said, "Yes."He said, "Indeed, your blood and your property," and I think he also said, "and your honor, are sacred to one another, just as this day of yours is sacred, in this month of yours, in this land of yours. You will meet your Lord, and He will ask you about your deeds. Do not return after me to misguidance, striking the necks of one another. Have I conveyed the message? Let those present convey it to those absent, for perhaps the one to whom it is conveyed will retain it better than some who hear it directly."Muhammad said, "And indeed it happened that way." He said, "Some of those to whom it was conveyed retained it better than some who heard it directly."

حدثنا إسماعيل أخبرنا أيوب عن محمد بن سيرين

عن أبي بكرة

أن النبي ﷺ خطب في حجته فقال ألا إن الزمان قد استدار كهيئته يوم خلق الله السموات والأرض السنة اثنا عشر شهرا منها أربعة حرم ثلاث متواليات ذو القعدة وذو الحجة والمحرم ورجب مضر الذي بين جمادى وشعبان ثم قال ألا أي يوم هذا قلنا الله ورسوله أعلم فسكت حتى ظننا أنه سيسميه بغير اسمه قال أليس يوم النحر قلنا بلى ثم قال أي شهر هذا قلنا الله ورسوله أعلم فسكت حتى ظننا أنه سيسميه بغير اسمه فقال أليس ذا الحجة قلنا بلى ثم قال أي بلد هذا قلنا الله ورسوله أعلم فسكت حتى ظننا أنه سيسميه بغير اسمه قال أليست البلدة قلنا بلى قال فإن دماءكم وأموالكم قال وأحسبه قال وأعراضكم عليكم حرام كحرمة يومكم هذا في شهركم هذا في بلدكم هذا وستلقون ربكم فيسألكم عن أعمالكم ألا لا ترجعوا بعدي ضلالا يضرب بعضكم رقاب بعض ألا هل بلغت ألا ليبلغ الشاهد الغائب منكم فلعل من يبلغه يكون أوعى له من بعض من يسمعه قال محمد وقد كان ذاك قال قد كان بعض من بلغه أوعى له من بعض من سمعه