Generally
(a) Generally. In computing any period of time under this part or in an order issued hereunder, the time begins with the day following the act, event, or default requiring service, and includes the last day of the period unless it is a Saturday, Sunday, or legal holiday observed by the federal government, in which case the time period includes the next business day. When the period of time prescribed is eleven (11) days or less, intermediate Saturdays, Sundays, and holidays shall be excluded in the computation.