This is not enough proof that the accounts are connected. However we can get this conclusion that the user(s) operating them may be from the same time zones. But this does not confirm that the owners are the same person.
Ok, I agree with you. Let my post be an assumption. However, if you watched these profiles of Twitter - then you saw that they are like two drops of water, i mean the time and order of retweets and tweets. And actually you don't need to be a rocket scientist to understand this (=