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Hi Rosa,

I am not sure what microcontroller you are using, but from your question I assume that you are beginner in electronics.

So the best way to go with your project is to use a servo motor, Arduino and RTC module. Since you have to rotate the servo motor exactly at noon everyday, your microontroller (Arduino) should know what the real world time is, so we can use an RTC module like DS3231 to read the real world time.

When it is noon (say 4pm) we can make the servo rotate by simply providing a pwm signal to the motor. With arduino it is very easy to do it because of the readily available libraries. you can use the following links for reference.

https://circuitdigest.com/microcontroller-projects/automatic-pet-feeder…

https://circuitdigest.com/article/servo-motor-basics

https://circuitdigest.com/microcontroller-projects/controlling-multiple…

Hope this helps, feel free to ask if you have any doubts, all the best