Peter said the disciples were not drunk at Pentecost because it was only which hour of the day?

Answer: The third hour

Peter said, "These men are not drunk, as you suppose. It is only the third hour of the day!"

“Then Peter stood up with the Eleven, lifted up his voice, and addressed the crowd: “Men of Judea and all who dwell in Jerusalem, let this be known to you, and listen carefully to my words. These men are not drunk, as you suppose. It is only the third hour of the day!”— Acts 2:14-15 (BSB)