When the last day prescribed under authority of this article for performing any act falls on Saturday, Sunday or a legal holiday, the performance of the act is considered timely if it is performed on the next succeeding day which is not a Saturday, Sunday or a legal holiday. For purposes of this section, the last day for the performance of any act shall be determined by including any authorized extension of time. The term 'legal holiday' means a legal holiday in this state.
West Virginia Legal Code