Joseph said the three branches in the cupbearer's dream stood for what?

Answer: Three days

"The three branches are three days. Within three days Pharaoh will lift up your head and restore your position."

“Joseph replied, “This is the interpretation: The three branches are three days. Within three days Pharaoh will lift up your head and restore your position. You will put Pharaoh’s cup in his hand, just as you did when you were his cupbearer.”— Genesis 40:12-13 (BSB)