However; reports say it is not clear if Syrian rebel groups will also cease fire during the daily three-hour window of desperately needed humanitarian supplies.
But United Nations officials have said the period is too short to take in enough to help the large numbers of people in need.
There has been intense fighting around Allepo, with reports of a toxic gas attack on a rebel-held area, which killed four people and left many others injured.
Following the development; the last set of medical doctors in the rebel-held east of the city appealed to President BARACK OBAMA of the United States to come to the aid of some two hundred and fifty thousand civilians in the area.
