Georgia Code Title 45. Public Officers and Employees § 45-12-2

The ceremony of inauguration shall take place during the first week of the first session of the General Assembly after the election and on such day of that week as the General Assembly, by joint resolution, shall appoint. If the General Assembly fails to appoint the day, the inauguration ceremony shall take place at 12:00 Noon on Saturday of that week unless prevented by providential cause. The Governor shall begin the discharge of his duties from the time of his inauguration.