Joke Collection Website - Cold jokes - Does anyone know the exact departure time of the bus from Pubei to Longmen?

Does anyone know the exact departure time of the bus from Pubei to Longmen?

I know. There are ***2 buses in total from Pubei to Longmen. Their schedule is A from Pubei. B from the gantry, it’s that simple! The problem is that they don't have a specific time, but they can calculate it based on time. It's every 30 minutes. . Departing from Pubei at 7:40 in the morning. The last train is at around 18:30 in Longmen Shangpubei.