Here is the guide
To obtain the combination of the padlock with symbols, what you have to do is order the books from smallest to largest
To obtain the combination of the other lock, you are going to use the note and the clock, you have to add and subtract the arrows of each color separately, for example, add and subtract the red ones, add and subtract the blue ones, at the end each one will say how many movements each clock hands will make, the time that the clock says at the end is the combination