No this is not a coincedence. I think it's a new clue that he will return (probably not on 5 april). Michael lived in Ire, so he knows easter is a public holiday. In the US it's not a public holiday, so the courthouse is open. Here is a link for holidays and its meaning all over the world You are not allowed to view links.
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LoginAnd the judge behaves strange. In such a serious case you won't put toys and a big yellow flower at your desk. It looked like we were watching a puppet show. I have never seen that before in a courthouse.
Judge + second easter days + toys = .......