Answered Questions

The Georgia Department of Education website includes a listing of state education rules that discuss this sort of information. - http://www.gadoe.org/External-Affairs-and-Policy/State-Board-of-Education/Pages/PEABoardRules.aspx

While there does not seem to be a mandatory teaching time in minutes per subject, Rule Number 160-5-1-.02 discusses requirements for the school day, including the minimum hours of total instructional time and time away from the classroom that are allowed for students in Georgia.

The Georgia Accrediting Commission also provides information and cites the number of minutes mandated for lunches and for teachers' planning periods in elementary schools, but not for particular subjects, as you can see here:
http://gac.coe.uga.edu/gac-standards/standards-for-elementary-school-programs/