The clerk shall keep a calendar of criminal causes, arranging them in the order of their commencement and, if the court so order, shall, under the direction of the court, apportion the same to as many days as is believed necessary, and, at the request of any party to a cause or the party’s attorney, shall issue subpoenas accordingly. The clerk shall furnish the court and bar with a sufficient number of copies of the calendar on or before January 15, April 15, July 15 and October 15 of each year, furnish the court and bar with a sufficient number of copies of a supplement thereto, which shall include the new causes only, but the publication of the assignments as provided in section 618.13 shall be in lieu of the publishing of a court calendar except that the first two daily publications of said paper shall be furnished free by the publisher to any attorney who shall request the clerk for the same.