What's the matter with Apple 14promax lock screen displaying Cupertino time?

American version of mobile phone. Apple's mobile phone was invented in the United States, and the default time is Cupertino, the city where Apple is headquartered, so the lock screen of Apple 14promax shows Cupertino time, which means the mobile phone is the American version. The founder of Apple's mobile phone is Steve Jobs, who was born in San Francisco, California.