(1) Notwithstanding s. 175.09 (1) , the standard of time shall be as provided in sub. (2) during the period stated therein.
(2) From 1 a.m. on the first Sunday in April until 2 a.m. on the last Sunday in October of each year, the standard of time in this state shall be one hour in advance of that prescribed in s. 175.09 (1) .