Genesis 41:46 says that Joseph was 30 years old when he entered Pharaoh’s service. As soon as he did so, the time of plenty predicted by Pharaoh’s dreams began.Genesis 41:47 and 53 tell us that 7 years of plenty came in Egypt, followed by famine.Genesis 45:6 and 11 tell us that when Joseph sent his brothers back to Canaan to bring Jacob to Egypt, there had been two years of famine.