Perhaps it would be better for the United States and Australia to mimic China in having a single, unified time zone. That would get everybody in sync with each other, although not with the daylight.

The United States, the third-largest nation in the world by land and water, is divided into six time zones: Hawaii-Aleutian Time, Alaska Time, Pacific Time, Mountain Time, Central Time ...

See the map Since countries are free to choose ... Just like there are time zones across the United States, there are time zones around the world to reflect the Earth's rotation around the sun.