Israel will release 42 Palestinian prisoners, while Hamas will release 14 hostages on the second day of the truce.
According to reports, the Israeli Prison Service admin had received a list of 42 women and child detainees who will be released in the second batch of the truce agreement.
Meanwhile, an Israeli official told AFP that "Hamas will release 14 hostages on Saturday.
The first day of the four-day truce, brokered by Qatar , Egypt and the United States, witnessed Hamas releasing 13 hostages, in exchange for 39 Palestinian detainees.
Hamas also released 10 Thai farm workers and a Filipino on the first day even though they were not part of the deal.
Four tankers of fuel and another four containing cooking gas entered the southern Gaza Strip via the Rafah Crossing early on Saturday, while 196 trucks of humanitarian aid also crossed on Friday.
US President Joe Biden said there was a real chance of extending the truce, adding that the pause was a critical opportunity to get humanitarian aid into Gaza.
King Salman will undergo a treatment programme at Al Salam Palace in Jeddah for a lung inflammation, the state news agency said on Sunday, hours after he underwent medical tests.
Israeli troops and tanks pushed on Saturday into parts of a congested northern Gaza Strip district that they had previously skirted in the more than seven-month-old war, killing and wounding dozens of Palestinians, medics and residents said.
Slovak Prime Minister Robert Fico is no longer in immediate danger but still in a serious condition, his deputy said on Sunday, four days after an assassination attempt that sent shockwaves through Europe.
At least 47 people have died after continued heavy rain and flooding in northern Afghanistan, an official said on Sunday, a day after a similar number were killed in a central province.