<Tr> <Th> Time zone </Th> <Td> CAT / EAT (UTC + 2 / + 3) </Td> </Tr> <Tr> <Td_colspan="2"> Website www.eac.int </Td> </Tr> <P> The East African Federation (Swahili: Shirikisho la Afrika Mashariki) is a proposed political union of the six sovereign states of the East African Community--Burundi, Kenya, Rwanda, South Sudan, Tanzania and Uganda--as a single federated sovereign state . As of 2017, six states have expressed support for the union, but negotiations continue concerning issues such as the extent of members' sovereignty and timing of implementation . </P> <P> At 1,820,664 square kilometres (702,962 sq mi), the East African Federation would be the fourth largest country in Africa and 17th largest in the world . With a population of 153,301,178, it would also be the second most populous nation in Africa (after Nigeria) and tenth in the world . Its population would be greater than that of Russia, Japan and Mexico, and half that of the United States . </P>

When did rwanda and burundi joined east african community