“The Messenger of Allah ﷺ used to fast three days of each month.” I said: “Which were they?” She said: “He did not care which days they were.”
أَنَّهَا قَالَتْ كَانَ رَسُولُ اللَّهِ ﷺ يَصُومُ ثَلاَثَةَ أَيَّامٍ مِنْ كُلِّ شَهْرٍ قُلْتُ مِنْ أَيِّهِ؟ قَالَتْ لَمْ يَكُنْ يُبَالِي مِنْ أَيِّهِ كَانَ