ibn ‘abbaas and his father, reported that the prophet, said: “there are no days in which righteous deeds are more beloved to allaah than these ten days.”the people asked, "not even jihaad for the sake of allaah?" he replied:“not even jihaad for the sake of allaah, except for the case of a man who went out to fight giving himself and his wealth up for the cause and returned with nothing.” [al-bukhaari]

·        fasting the day of ‘arafah for those not performing hajj: abu qataadah narrated that the prophet, , said: “fasting it (‘arafaat) expiates the sins of the previous and the coming year.”[muslim] how can a true believer waste such a great reward?

-      ‘abdullaah ibn ‘umar both, reported that the prophet, said: “there are no days greater in the sight of allaah and in which righteous deeds are more beloved to him than these ten days, so during this time recite a great deal of tahleel ("la ilaaha ill-allaah"), takbeer and tahmeed.” [ahmad]

-       ‘abdullaah ibn ‘umar , both, said, “the prophet used to come out of his house on the day of ‘eed raising his voice uttering tahleel ("la ilaaha ill-allaah"), takbeer ...”[al-bayhaqi] 

-      naafi’, said, ‘abdullaah ibn ‘umar both, used to recite takbeer during the days while he was minaa (during hajj) after each prayer, on his sleeping mat and while he was walking all through these days’ (ibn al-munthir).

ø specific, which is recited after each of the five obligatory prayers. this type starts from fajr (dawn) prayer on the day of ‘arafah until ‘asr (late noon) on the last day of slaughtering (13^th of thul-hijjah). shaqeeq ibn salamah, said, “‘ali used to recite takbeer after fajr on the day of ‘arafah and would not stop until the imaam arrived on the last day of slaughtering at asr prayer.” [ibn al-munthir] the same was also reported of ibn ‘abbaas,.

ibn taymiyyah, said, “the most authentic ruling regarding takbeer, which is the ruling of the majority of the scholars as well as the companions is that it starts on the day of ‘arafah fajr time and it lasts until the last day of slaughtering at ‘asr time, being recited after each of the obligatory prayers.”

·        slaughtering: anas, said, “the prophet slaughtered two goats with horns that he sacrificed with his own hands, while reciting 'bismillaah allaahu akbar' (in the name of allaah, allaah is the most great) while placing his foot on the animal’s neck.” [bukhaari & muslim] the sunnah is that one does his own slaughtering and eat a part from his sacrifice, but he may authorize any charitable organization to do this on his behalf, even if they do it in a different country, as jaabir,may allaah be pleased, with him said, “the prophet slaughtered sixty three animals when he performed hajj, and authorized ‘ali to slaughter the rest.” [muslim]