Any reference within this Article to "days" shall mean calendar days unless otherwise specified. In computing any period of time, the date of the act, event, or default from which the designated period of time begins to run shall not be included. The last day of the period so computed shall be counted, unless it is a Saturday, a Sunday, or a legal holiday, in which event the period runs until the end of the next day which is not a Saturday, a Sunday, or a legal holiday.
Ariz. Admin. Code § R6-8-108