*One should have a bath before attending the prayer.
*One should eat a few dates before leaving to the Eid prayer place as is narrated in Saheeh Bukhari on the authority of Anas b. Malik (). He said that the Messenger of Allah () said:
'One should not attend the prayer on the day of Eid unless he eats an odd number of dates.'(Bukhari)
*It is praiseworthy during Eid al-Adha that one refrains from eating until he returns and eats from his Udhiyyah (sacrifice).
*One should say Takbeer on the Day of Eid.
*During Eid al-Fitr, one should begin saying it from the night preceding the Day of Eid until the Imam performs the Eid prayer.
During Eid al-Adha: One should begin from the first day of Dhul-Hijjah until the the last day of Tashreeq (i.e. the 13th of Dhul-Hijjah).
*Takbeer format: 'Allahu Akbar - Allahu Akbar - La ilaaha il'lal laah - Allahu Akbar - Allahu Akbar - wa lil'laahil'hamd.
*Another format: Allahu Akbar Kabeera - Allahu Akbar Kabeera - Allahu Akbar wa A’jal - Allahu Akbar - wa lil'laahil hamd.