Making an Appointment with a 7½-year-old

Me: So, what do you do on Saturdays?
Dylan: I have Abacus class at 2pm, then Science class at 5pm.
Me: You sound busy.
Dylan: Why do you ask, yiyi?
Me: Was thinking of taking you to catch TMNT on Saturday.
Dylan: I see... I have 1 o'clock.
Me: ?!??? (He has 1 o'clock?!??)