AHMAD 19978: from ʿImrān b. Ḥuṣayn —

[Machine] The Prophet ﷺ asked him, or someone else, "Did you fast anything from the white days of Sha'ban?" He replied, "No." The Prophet ﷺ said, "If you have not fasted, then fast for two days."

أحمد ١٩٩٧٨: عن عمران بن حصين —

أَنَّ النَّبِيَّ ﷺ قَالَ لَهُ أَوْ لِغَيْرِهِ هَلْ صُمْتَ مِنْ سُرَرِ شَعْبَانَ شَيْئًا؟ قَالَ لَا قَالَ فَإِذَا أَفْطَرْتَ فَصُمْ يَوْمَيْنِ


Sound Chain (Arnaʾūṭ)
Aḥmad > Baṣrans > § [Machine] Imran ibn Haseen
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