Genesis 40:18
And Joseph answered and said, This is the interpretation thereof: The three baskets are three days:
Cross-reference
Genesis 40:12
Parallel
In Genesis 40:12, Joseph interprets the cupbearer's dream with the same formula: three items = three days — paralleling his interpretation here.
Genesis 41:26
Parallel
In Genesis 41:26, Joseph again interprets symbolic numbers as time (seven cows = seven years), echoing his method of three baskets = three days here.