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.
quran:39:46

Say, "O Allah, Creator of the heavens and the earth, Knower of the unseen and the witnessed, You will judge between your servants concerning that over which they used to differ."  

Say: ‘O God! (Allāhumma means yā Allāh) Originator of the heavens and the earth!, the Creator of them without precedent, Knower of the Unseen and the visible, ˹Knower of˺ what is hidden and what is witnessed, You will judge between Your servants concerning that wherein they used to differ’, in the matter of religion: guide me to the truth over which they are at variance.
القرآن:٣٩:٤٦

قُلِ اللَّهُمَّ فَاطِرَ السَّمَاوَاتِ وَالْأَرْضِ عَالِمَ الْغَيْبِ وَالشَّهَادَةِ أَنْتَ تَحْكُمُ بَيْنَ عِبَادِكَ فِي مَا كَانُوا فِيهِ يَخْتَلِفُونَ  

{قل اللهم} بمعنى يا الله {فاطر السماوات والأرض} مبدعهما {عالم الغيب والشهادة} ما غاب وما شوهد {أنت تحكم بين عبادك فيما كانوا فيه يختلفون} من أمر الدين اهدني لما اختلفوا فيه من الحق.

See similar narrations below:

Collected by Aḥmad's Zuhd
ahmad-zuhd:1942ʿAbdullāh > Aḥmad b. Ibrāhīm al-Dawraqī > Abū al-Naḍr Hāshim b. al-Qāsim > Ziyād b. Salām > Bilāl b. al-Mundhir

[Machine] Then he reviewed and recited this verse: "Say, O Allah, Creator of the heavens and the earth, Knower of the unseen and the witnessed, You will judge between Your servants concerning that over which they used to differ." He said, "I said, what do you say?" He said, "What do I say? Their return is to Allah, and upon Allah is their account."  

الزهد لأحمد:١٩٤٢حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنَا أَحْمَدُ بْنُ إِبْرَاهِيمَ الدَّوْرَقِيُّ حَدَّثَنَا أَبُو النَّضْرِ هَاشِمُ بْنُ الْقَاسِمِ حَدَّثَنَا زِيَادُ بْنُ سَلَامٍ عَنْ بِلَالِ بْنِ الْمُنْذِرِ قَالَ قَالَ رَجُلٌ إِنْ لَمْ أَسْتَخْرِجِ الْيَوْمَ مِنَ الرَّبِيعِ بْنِ خُثَيْمٍ سَيِّئَةً لِأَحَدٍ لَمْ أَسْتَخْرِجْهَا أَبَدًا بِحَالٍ قُلْتُ يَا أَبَا يَزِيدَ قُتِلَ ابْنُ فَاطِمَةَ عَلَيْهَا السَّلَامُ قَالَ

فَاسْتَرْجَعَ ثُمَّ تَلَا هَذِهِ الْآيَةَ {قُلِ اللَّهُمَّ فَاطِرَ السَّمَوَاتِ وَالْأَرْضِ عَالِمَ الْغَيْبِ وَالشَّهَادَةِ أَنْتَ تَحْكُمُ بَيْنَ عِبَادِكَ فِيمَا كَانُوا فِيهِ يَخْتَلِفُونَ} قَالَ قُلْتُ مَا تَقُولُ؟ قَالَ مَا أَقُولُ؟ إِلَى اللَّهِ إِيَابُهُمْ وَعَلَى اللَّهِ حِسَابُهُمْ