Dates

At the local market, I asked a merchant for a bag of dates.
He said, "Please pick one."
I said, "Okay, today."
He said "'Today' is not a date, it's right in between."
"Okay then, tomorrow," I tried.
"No," he responded.
"Why not? Is 'tomorrow' also not a date?"
"No," he said. " Tomorrow we're closed."