Abu Qabil (may Allah have mercy on him) said: When Sayyiduna Husayn bin Ali (may Allah be pleased with him) was martyred, the sun was eclipsed; the stars were shining at midday, and we thought that it was the Day of Resurrection.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب صلاة الخسوف / 6352