When the Prophet ﷺ arrived at Medina, the Jews were observing the fast on 'Ashura' (10th of Muharram) and they said, "This is the day when Moses became victorious over Pharaoh," On that, the Prophet ﷺ said to his companions, "You (Muslims) have more right to celebrate Moses' victory than they have, so observe the fast on this day."  

قَدِمَ النَّبِيُّ ﷺ الْمَدِينَةَ وَالْيَهُودُ تَصُومُ عَاشُورَاءَ فَقَالُوا هَذَا يَوْمٌ ظَهَرَ فِيهِ مُوسَى عَلَى فِرْعَوْنَ فَقَالَ النَّبِيُّ ﷺ لأَصْحَابِهِ أَنْتُمْ أَحَقُّ بِمُوسَى مِنْهُمْ فَصُومُوا  

When Messenger of Allah ﷺ arrived at Medina, he found the Jews observing the fast on the day of 'Ashura' (10th of Muharram). The Prophet ﷺ asked them (about it) and they replied, "This is the day when Moses became victorious over Pharaoh." The Prophet ﷺ said (to the Muslims), "We are nearer to Moses than they, so fast on this day."  

لَمَّا قَدِمَ رَسُولُ اللَّهِ ﷺ الْمَدِينَةَ وَالْيَهُودُ تَصُومُ عَاشُورَاءَ فَسَأَلَهُمْ فَقَالُوا هَذَا الْيَوْمُ الَّذِي ظَهَرَ فِيهِ مُوسَى عَلَى فِرْعَوْنَ فَقَالَ النَّبِيُّ ﷺ نَحْنُ أَوْلَى بِمُوسَى مِنْهُمْ فَصُومُوهُ  

When the Prophet ﷺ came to Medina, he found the Jews observing fast on the day of 'Ashurah; so they were asked about it (by the Prophet). They said: This is a day on which Allah gave Moses domination over Pharaoh. We fast on it out of reverence to him. The Messenger of Allah ﷺ said: We have a closer connection with Moses than you have. He then gave orders that it should be observed.  

لَمَّا قَدِمَ النَّبِيُّ ﷺ الْمَدِينَةَ وَجَدَ الْيَهُودَ يَصُومُونَ عَاشُورَاءَ فَسُئِلُوا عَنْ ذَلِكَ فَقَالُوا هَذَا الْيَوْمُ الَّذِي أَظْهَرَ اللَّهُ فِيهِ مُوسَى عَلَى فِرْعَوْنَ وَنَحْنُ نَصُومُهُ تَعْظِيمًا لَهُ فَقَالَ رَسُولُ اللَّهِ ﷺ نَحْنُ أَوْلَى بِمُوسَى مِنْكُمْ وَأَمَرَ بِصِيَامِهِ  

[Machine] The Messenger of Allah ﷺ arrived in Medina and found that the Jews were fasting on the day of Ashura. He asked them about it and they replied, "This is the day when Moses fasted in the face of Pharaoh." The Prophet ﷺ said to his companions, "You have more right to follow Moses than them, so fast on this day."  

قَدِمَ رَسُولُ اللهِ ﷺ الْمَدِينَةَ فَإِذَا الْيَهُودُ قَدْ صَامُوا يَوْمَ عَاشُورَاءَ فَسَأَلَهُمْ عَنْ ذَلِكَ فَقَالُوا هَذَا الْيَوْمُ الَّذِي ظَهَرَ فِيهِ مُوسَى عَلَى فِرْعَوْنَ فَقَالَ النَّبِيُّ ﷺ لِأَصْحَابِهِ أَنْتُمْ أَوْلَى بِمُوسَى مِنْهُمْ فَصُومُوهُ  

[Machine] The Messenger of Allah ﷺ arrived and found the Jews fasting on the day of Ashura. He asked them, "What is this?" They replied, "It is a great day on which Allah saved Moses and drowned Pharaoh and his people. Moses fasted on this day out of gratitude to Allah." The Messenger of Allah ﷺ said, "I have more right to Moses than you. Therefore, I will fast on this day." He then fasted and ordered his companions to fast as well.  

قَدِمَ رَسُولُ اللَّهِ ﷺ فَوَجَدَ يَهُودَ يَصُومُونَ يَوْمَ عَاشُورَاءَ فَقَالَ لَهُمْ «مَا هَذَا» قَالُوا يَوْمٌ عَظِيمٌ نَجَّى اللَّهُ فِيهِ مُوسَى وَأَغْرَقَ آلَ فِرْعَوْنَ فَصَامَهُ مُوسَى شُكْرًا لِلَّهِ فَقَالُ رَسُولُ اللَّهِ ﷺ «أَنَا أَوْلَى بِمُوسَى وَأَحَقُّ بِصِيَامِهِ مِنْكُمْ» فَصَامَهُ وَأَمَرَ بِصِيَامِهِ  

[Machine] That the Messenger of Allah ﷺ arrived in Medina on the day of Ashura and saw the Jews fasting. The Messenger of Allah ﷺ asked, "What is this?" They replied, "This is a day on which Allah saved Moses from Pharaoh and drowned Pharaoh, so we observe fast out of gratitude." The Messenger of Allah ﷺ said, "I have more claim over Moses than you." So the Messenger of Allah ﷺ ordered fasting on that day.  

أَنَّ رَسُولَ اللهِ ﷺ قَدِمَ الْمَدِينَةَ يَوْمَ عَاشُورَاءَ وَإِذَا الْيَهُودُ صِيَامٌ فَقَالَ رَسُولُ اللهِ ﷺ «مَا هَذَا؟» قَالُوا هَذَا يَوْمٌ غَرَّقَ اللهُ فِيهِ فِرْعَوْنَ وَنَجَّى مُوسَى فَقَالَ رَسُولُ اللهِ ﷺ «وأَنَا أَوْلَى بِمُوسَى عَلَيْهِ السَّلَامُ فَأَمَرَ رَسُولُ اللهِ ﷺ بِصَوْمِهِ»