Unless otherwise provided by chs. PC 1 to 6, orders of a hearing examiner or of the commission and time periods set forth in correspondence from the commission, commissioners or staff shall refer to calendar days. The day an order is made or entered shall not count as one of the prescribed days. The last day of the period so computed shall be included, unless it is a Saturday, a Sunday or a legal holiday in which case the last day shall be the next day that is neither a Saturday, a Sunday or a legal holiday. As used in this section "legal holiday" means any holiday listed in s. 230.35(4) (a), Stats.
Wis. Admin. Code Personnel Commission § PC 1.07