(2) باب مَا جَاءَ لاَ تَقَدَّمُوا الشَّهْرَ بِصَوْمٍ
Abu Hurairah narrated that :
the Messenger of Allah said: "Do no precede the month of Ramadan by fasting a day or two before it, unless it is the case of a man who normally performs some fast, then let him fast it." (RU)
Reference (RU): Jami` at-Tirmidhi 685 (RU)
In-book reference (RU): Book 8, Hadith 4 (RU)
English translation (RU): Vol. 2, Book 3, Hadith 685 (RU)