‘Do not anticipate Ramadan by fasting one or two days before, except for a man who has a habitual pattern of fasting, in which case let him fast.” (Using translation from Ibn Mājah 1650)

قَالَ رَسُولُ اللهِ ﷺ لَا تَقَدَّمُوا شَهْرَرَمَضَانَ بِصِيَامِ يَوْمٍ أَوْ يَوْمَيْنِ إِلَّا رَجُلًا كَانَ يَصُومُ صَوْمًا فَلْيَصُمْهُ