The office of the High Religious Authority, Grand Ayatollah Ali al-Sistani, announce that. Tomorrow, Thursday is the thirty day of Ramadan. The office of the High Religious Authority, Ali al-Sistani, reported in statement ''The Thursday is the thirty day of the holy month of Ramadan and the next Friday is the first day of Eid al-Fitr.'' The Sunni Endowment announced Thursday as the first day of Eid al-Fitr.