(a) The office of the judge of the probate court shall be open to conduct business a minimum of 40 hours each week as determined by the judge of the probate court.
(b) Nothing in this Code section shall be construed to require any office of the judge of the probate court to be open:
(1) On any public holiday, legal holiday, day of rest, or similar time that is recognized and designated as such by the laws of this state or by the governing authority of the county; or
(2) If other county offices are closed because of inclement weather or any other reason.