When these events occurred Eve had not yet been created. God creates some additional animals in front of Adam so he could see God do it. God then has Adam name each kind of animal. This naturally raises the question of “Could Adam have named all these animals in one day?”
It has been estimated that Adam would probably have only needed to name some 2,500 kinds of animals. However to allow for some unknown kinds lets make it 3,000 kinds of animals so at one every five seconds Adam could have finished the task in 4 hours and 10 minutes.