If we will standardize time on solar system level, we’ll probably have another component of time, rather than a flat list of time zones. E.g. Mars should have i

If we will standardize time on solar system level, we’ll probably have another component of time, rather than a flat list of time zones. E.g. Mars should have its own set of zones. Maybe that means having an identifier of coordinate system, which can be omitted in local use cases.