It was narrated that Abu Hurairah said: “A man came to the Prophet (ﷺ) and said: ‘Which fasting is better after the month of Ramadan?’ He said: ‘The month of Allah which is called Muharram.’”

لم يُحدَّد للحديث مدار — طرقه لا تلتقي عند راوٍ واحد