The month may consist of twenty-nine days, and it may be thus, thus and thus, and (he further) said: Calculate it, but he did not say thirty.
وَقَالَ ذَكَرَ رَسُولُ اللَّهِ ﷺ رَمَضَانَ فَقَالَ الشَّهْرُ تِسْعٌ وَعِشْرُونَ الشَّهْرُ هَكَذَا وَهَكَذَا وَهَكَذَا وَقَالَ فَاقْدِرُوا لَهُ وَلَمْ يَقُلْ ثَلاَثِينَ