The communal prayers mark the beginning of the Eid ul-Fitr, or "feast of fast breaking" holiday, according to CAIR.
Egyptians take a selfie as they attend the morning prayers for Eid al-Fitr celebrations, which marks the end of the holy fasting month of Ramadan, in Cairo, Egypt, on June 25, 2017.
The end of the Ramadan month is announced based on the sighting of the new moon and it varies from one country to another country.
US Secretary of State Rex Tillerson also issued a statement to extend greetings to all Muslims celebrating the festival. Happy Eid ul-Fitr 2017. If not, the next day is counted as 30th day of the prevailing month and the new month begins thereafter. We have received many complaints from teachers that the children abandon school weeks after the Eid celebrations, which is not the best.
"Muslims in the United States joined those around the world during the holy month of Ramadan to focus on acts of faith and charity".
He hoped that the teachings of Eid-ul-Fitr would encourage all in building a handsome and prosperous society.
" Consequent upon this, tomorrow, Sunday, the 25th day of June, 2017 becomes the first day of shawwal, 1438 AH and is therefore declared the Sallah day for 2017 Eid-el-Fitr".
Official Twitter for Haramain, which gives updates about Makkah and Madinah, announced the sighting of the moon on Saturday.
Lok Sabha Speaker Sumitra Mahajan also greeted people on the festival and wished for country's prosperity and unity.
Muslims in Saudi Arabia, UAE and some other parts of the world celebrated Eid today.
Thereafter, the day is spent visiting the elderly and sick, and family and friends, and partaking of traditional delicacies, which varies between the Muslim cultures in different countries across the globe.