The two churches form a circuit in the Holston Conference of the Methodist Church and will share the revival times.
The Revival will alternate between the churches, located eight miles apart near the Hamilton-Bradley County line.
Mount Zion will have services tonight at 7 and Sunday at 11 a.m.
The Savannah schedule calls for services Saturday at 7 p.m., Sunday at 10 a.m. and Sunday night at 7.
Evangelists for the revival will be veteran pastors Charles Harrison of Chattanooga Tyner United Methodist Church, Ben Matherly (a retired Methodist pastor who last served at Fort Oglethorpe, Ga., and Chattanooga Wesley Memorial churches) and Dale Wyrick of Spring City United Methodist Church.
There will be different singers and speakers for every service.
Mount Zion is located at 7223 Georgetown Road (Highway 60), while Savannah is located at 10520 Snow Hill Road, just off Highway 58 in Ooltewah.
Services are open to the public and everyone is welcome.