Question: what are ppt slots vipkid?
Answer: PPT stands for “peak peak time.” Those are the hours they have the highest demand for classes from students. They are 7:00 pm-9:00 pm Beijing time. It's 4 time slots on the teaching schedule. VIPKID peak hours are inclusive of all the times that are in high demand, 6:00 pm – 10:00 pm.