3. In computing any period of time for the purposes of the Table in rule 1(1) above–
(a)a Saturday or Sunday;
(b)Christmas Eve, Christmas Day, Good Friday or Easter Monday;
(c)a day which is a bank holiday in Scotland under the Banking and Financial Dealings Act 1971; or
(d)a day appointed for public thanksgiving or mourning,
shall be disregarded, and any such day shall not be treated as a day for the purpose of any proceedings up to the completion of the poll nor shall a constituency returning officer be obliged to proceed with the counting of votes on such a day.