As federalevidencereview notes:
[A]llowing a court to take judicial notice often presents a proponent of its use with a useful short-cut in proof of adjudicative facts. But it is important to draw a distinction between the fact noticed and the logical conclusion to be drawn from the fact.
From time to time you will see a prosecutor want to have judicial notice of facts, but include in their motion their argument or conclusions. Remember that there must be a foundation for the notice offered at the time of the request. For example a calendar for judicial notice that a date fell on a particular day of the week, or a copy of the regulation or statute.