(1) No court may be open nor may any judicial business be transacted on legal holidays, as provided for in 1-1-216, and on a day appointed by the president of the United States or by the governor of this state for a public fast, thanksgiving, or holiday, except for the following purposes:
(a) to give, upon its request, instructions to a jury when deliberating on its verdict;
(b) to receive a verdict or discharge a jury;
(c) for the exercise of the powers of a magistrate in a criminal action or in a proceeding of a criminal nature.
(2) Injunctions, writs of prohibition, and habeas corpus may be issued and served on any day.