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.
bayhaqi:2042Abū ʿAbdullāh al-Ḥāfiẓ > Abū al-ʿAbbās Muḥammad b. Yaʿqūb > al-ʿAbbās b. Muḥammad al-Dūrī > Abū Salamah Manṣūr b. Salamah al-Khuzāʿī > ʿAbdullāh b. ʿUmar al-ʿUmarī > al-Qāsim b. Ghannām > Jaddatih al-Dunyā

[Machine] From his grandmother, Umm Farwah, who was among those who pledged allegiance to the Prophet ﷺ and was one of the early emigrants, it is narrated that she heard the Prophet ﷺ being asked about the best deeds. He replied, "Performing the prayer at its earliest time."  

البيهقي:٢٠٤٢أَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ أنبأ الْعَبَّاسُ بْنُ مُحَمَّدٍ الدُّورِيُّ ثنا أَبُو سَلَمَةَ مَنْصُورُ بْنُ سَلَمَةَ الْخُزَاعِيُّ ثنا عَبْدُ اللهِ بْنُ عُمَرَ الْعُمَرِيُّ عَنِ الْقَاسِمِ بْنِ غَنَّامٍ عَنْ جَدَّتِهِ الدُّنْيَا

عَنْ جَدَّتِهِ أُمِّ فَرْوَةَ وَكَانَتْ مِمَّنْ بَايَعَتِ النَّبِيَّ ﷺ وَكَانَتْ مِنَ الْمُهَاجِرَاتِ الْأُوَلِ أَنَّهَا سَمِعْتِ النَّبِيَّ ﷺ وَسُئِلَ عَنْ أَفْضَلِ الْأَعْمَالِ فَقَالَ الصَّلَاةُ لَأَوَّلِ وَقْتِهَا  

أَخْرَجَهُ أَبُو دَاوُدَ فِي السُّنَنِ

See similar narrations below:

Collected by Tirmidhī, Aḥmad
tirmidhi:170Abū ʿAmmār al-Ḥusayn b. Ḥurayth > al-Faḍl b. Mūsá > ʿAbdullāh b. ʿUmar al-ʿUmarī > al-Qāsim b. Ghannām

"The Prophet was asked: 'Which deed is the best?' So he said: 'Salat in the beginning of its time.'"  

الترمذي:١٧٠حَدَّثَنَا أَبُو عَمَّارٍ الْحُسَيْنُ بْنُ حُرَيْثٍ حَدَّثَنَا الْفَضْلُ بْنُ مُوسَى عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ الْعُمَرِيِّ عَنِ الْقَاسِمِ بْنِ غَنَّامٍ

عَنْ عَمَّتِهِ أُمِّ فَرْوَةَ وَكَانَتْ مِمَّنْ بَايَعَتِ النَّبِيَّ ﷺ قَالَتْ سُئِلَ النَّبِيُّ ﷺ أَىُّ الأَعْمَالِ أَفْضَلُ قَالَ الصَّلاَةُ لأَوَّلِ وَقْتِهَا  

ahmad:27105Yūnus > Layth > ʿUbaydullāh b. ʿUmar b. Ḥafṣ b. ʿĀṣim b. ʿUmar b. al-Khaṭṭāb > al-Qāsim b. Ghannām > Jaddatih Um Abīh al-Dunyā > Jaddatih Um Farwah And Kānat Mimman Bāyaʿ

[Machine] About his grandmother, Um Farwah, who was one of those who pledged allegiance, it was reported that she heard the Messenger of Allah ﷺ mention good deeds, and he said: "Indeed, the most beloved of deeds to Allah ﷻ is the prayer offered on time."  

أحمد:٢٧١٠٥حَدَّثَنَا يُونُسُ قَالَ حَدَّثَنَا لَيْثٌ عَنْ عُبَيْدِ اللهِ بْنِ عُمَرَ بْنِ حَفْصِ بْنِ عَاصِمِ بْنِ عُمَرَ بْنِ الْخَطَّابِ عَنِ الْقَاسِمِ بْنِ غَنَّامٍ عَنْ جَدَّتِهِ أُمِّ أَبِيهِ الدُّنْيَا

عَنْ جَدَّتِهِ أُمِّ فَرْوَةَ وَكَانَتْ مِمَّنْ بَايَعَ أَنَّها سَمِعَتْ رَسُولَ اللهِ ﷺ وَذَكَرَ الْأَعْمَالَ فَقَالَ إِنَّ أَحَبَّ الْعَمَلِ إِلَى اللهِ ﷻ تَعْجِيلُ الصَّلَاةِ لِأَوَّلِ وَقْتِهَا