Hadeeth: “Whoever does I’tikaaf of one day for the sake of Allaah, Allaah will keep him away from Hell-fire at a distance of three trenches…”

Question: Who narrated the following Hadeeth Whoever practices I’tikaaf of only one day for the sake of Allaah, Allaah will keep him away from Hell-fire at a distance of three trenches, the distance of each trench is like the distance between the East and the West’. And what is the degree of the Hadeeth in terms of authenticity? If a person wants to observe I`tikaaf (seclusion for worship in a mosque during Ramadaan) for one day, when should he begin I`tikaaf and when should he end it? Similarly, if he wants to observe I`tikaaf for two days, when should he begin I`tikaaf and when should he end it?

Answer: The Hadeeth is Da’eef. I`tikaaf begins after Fajr (Dawn) Prayer and ends at sunset whether a day or two… read more here.