Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
tabarani:10108 – ʿAbdān b. Aḥmad > Zayd b. al-Ḥarīsh > ʿAbd al-Raḥman b. Mahdī > Sufyān > Abū al-Zaʿrāʾ > Abū al-Aḥwaṣ > ʿAbdullāh

[Machine] The reading of the Messenger of Allah ﷺ was known in the afternoon and the evening by the movement of his beard.  

الطبراني:١٠١٠٨ – حَدَّثَنَا عَبْدَانُ بْنُ أَحْمَدَ ثنا زَيْدُ بْنُ الْحَرِيشِ ثنا عَبْدُ الرَّحْمَنِ بْنُ مَهْدِيٍّ ثنا سُفْيَانُ عَنْ أَبِي الزَّعْرَاءِ عَنْ أَبِي الْأَحْوَصِ عَنْ عَبْدِ اللهِ قَالَ

«كَانَتْ قِرَاءَةُ رَسُولِ اللهِ ﷺ تُعْرَفُ فِي الظُّهْرِ وَالْعَصْرِ بِتَحْرِيكِ لِحْيَتِهِ»  

See similar narrations below:

Collected by Aḥmad, Ibn Ḥibbān
ahmad:21060 – Wakīʿ > al-Aʿmash > ʿUmārah b. ʿUmayr > Abū Maʿmar

“I said to Khabbab: ‘How did you recognize that the Messenger of Allah ﷺ was reciting in the Zuhr and the ‘Asr?’ He said: ‘From the movement of his beard.’” (Using translation from Ibn Mājah 826)  

أحمد:٢١٠٦٠ – حَدَّثَنَا وَكِيعٌ حَدَّثَنَا الْأَعْمَشُ عَنْ عُمَارَةَ بْنِ عُمَيْرٍ عَنْ أَبِي مَعْمَرٍ قَالَ

قُلْنَا لِخَبَّابٍ بِأَيِّ شَيْءٍ كُنْتُمْ تَعْرِفُونَ قِرَاءَةَ رَسُولِ اللهِ ﷺ فِي الظُّهْرِ وَالْعَصْرِ؟ قَالَ بِاضْطِرَابِ لِحْيَتِهِ  

ذِكْرُ الْخَبَرِ الدَّالِّ عَلَى أَنَّ النَّبِيَّ ﷺ كَانَ لَا يَجْهَرُ فِي صَلَاةِ الظُّهْرِ وَالْعَصْرِ بِالْقِرَاءَةِ كُلِّهَا

ibnhibban:1830 – Abū Yaʿlá > Abū Khaythamah > Wakīʿ > al-Aʿmash > ʿUmārah b. ʿUmayr > Abū Maʿmar

“I said to Khabbab: ‘How did you recognize that the Messenger of Allah ﷺ was reciting in the Zuhr and the ‘Asr?’ He said: ‘From the movement of his beard.’” (Using translation from Ibn Mājah 826)  

ابن حبّان:١٨٣٠ – أَخْبَرَنَا أَبُو يَعْلَى قَالَ حَدَّثَنَا أَبُو خَيْثَمَةَ قَالَ حَدَّثَنَا وَكِيعٌ قَالَ حَدَّثَنَا الْأَعْمَشُ عَنْ عُمَارَةَ بْنِ عُمَيْرٍ عَنْ أَبِي مَعْمَرٍ قَالَ

قُلْنَا لِخَبَّابٍ بِأَيِّ شَيْءٍ كُنْتُمْ تَعْرِفُونَ قِرَاءَةَ رَسُولِ اللَّهِ ﷺ فِي الظُّهْرِ وَالْعَصْرِ؟ قَالَ «بِاضْطِرَابِ لِحْيَتِهِ»