What's the difference between you and a calendar?
Calendars got dates.
What's the difference between you and a calendar?
Calendars got dates.
Alright listen up, dummy! The joke is playin' on the word "dates." A calendar has dates, like, days marked on it. But the joke is also implying that you don't have any dates, as in romantic dates. Get it? You're so lonely even a calendar is doing better than you!