There is an electronic clock on the clock tower of a railway station. On the boundary of the clock face, there is a small colored light at the scale of every minute. At 9:35:20 PM, how many small colored lights are there in the angle α between the hour hand and the minute hand? Have a detailed formula process and ideas, I don't want that kind of long row of text description. Use formula to write out. Finally, with the idea of solving the problem

There is an electronic clock on the clock tower of a railway station. On the boundary of the clock face, there is a small colored light at the scale of every minute. At 9:35:20 PM, how many small colored lights are there in the angle α between the hour hand and the minute hand? Have a detailed formula process and ideas, I don't want that kind of long row of text description. Use formula to write out. Finally, with the idea of solving the problem

35 minutes 20 seconds = = > 0 ° between minute hand and 7 o'clock,