Where, by this Act, the time limited for doing any act or thing is less than three days, in reckoning time, non-business days are excluded.
"Non-business days" for the purposes of this Act mean - (a) Sunday, Good Friday, Christmas Day: (b) A bank holiday under the Bank Holidays Act, 1871, or Acts amending it: (c) A day appointed by Royal proclamation as a public fast or thanksgiving day.
Any other day is a business day.