Many people have to adapt to working across different timezones in their jobs. Obviously to the degree that something like that becomes a continuous pattern you need to decide if it's worth it to you to adapt to that schedule or not. There's nothing inherently "ridiculous" about it. For example I have a friend in Hawaii who has an agency with West Coast clients and she just adapts her waking schedule accordingly.

I had friends in Hawaii who were stock traders, they really had to wake up early