The Syrian army on Wednesday separately said that the truce would last for three days.
The general-command of the Syrian army urged the rebels to lay down their weapons, and take the chance of the pardon issued by President Bashar al-Assad.
The state new agency SANA said that rebels started evacuating the eastern part of Aleppo on Wednesday evening.
Expelling jihadist groups from Aleppo is Russia's and the Syrian government's main demand in order to loosen the military offensive against eastern Aleppo.