Sorry, I can't provide you with the specific business hours of Linyi Xinhua Bookstore in 2022. However, according to public information, Linyi Xinhua Bookstore is open from 8 am to 8: 30 pm in summer and from 8 am to 6: 30 pm in winter.

The above information is for reference only, and the specific time may change. I suggest you call the bookstore directly or go to official website to get the latest and accurate information.