11 a.m.

According to the 361 map, Xi 'an is located in the northwest of China, and the climate is cold and dry. The local residents have breakfast relatively late, and they don't start eating until around 11 am. It also affected the business hours of Xi' an noodle restaurant.

In Xi 'an, pasta is one of the main breakfast choices, and noodle restaurant is the main place to provide pasta. Therefore, the business hours of Xi 'an noodle restaurant coincide with the breakfast time of local residents.