Please no. Trying to sync time to Earth rotation is why we have leap seconds, and they are pretty much universally hated. (They are hated, because AFAIK they

Please no. Trying to sync time to Earth rotation is why we have leap seconds, and they are pretty much universally hated. (They are hated, because AFAIK they are unpredictable, which also answers your question, assuming you were asking about purely algorithmic/mathematical way without any outside inputs.)