Top-level dignitaries from all over the world are expected to attend the funeral services.
The 88-year-old head of the Catholic Church is suffering from bilateral pneumonia.
“Given the complexity of the medical condition, further days of clinical stability are required,” an evening bulletin stated.
The pope has been the leader of the Catholic Church, with its approximately 1.4 billion faithful worldwide, since March 2013.
The clinical condition of Pope Francis, who is suffering from pneumonia, has improved slightly, the Vatican said late on Thursday.
The pope also had to stop his sermon midway and asked a colleague to finish delivering the rest of the address.
“If a candidate remains chaste, his sexual orientation should not disqualify him from entering the priesthood,” the Vatican document stated.
Her appointment is seen as a milestone for the Catholic Church as it continues to navigate debates about women’s roles in leadership.
The trial revolved around allegations that Messr Palombella and Nardella had allegedly pocketed proceeds from the choir’s concerts.
Mr Zelensky said in a post on Telegram that he asked the pope for support for children and adults imprisoned by Russia.
