law: Negotiable Instruments Act, 1881 
  24. Calculating maturity of bill or note payable so many
  
  days after date or sight 
  In calculating the date at which a promissory note or bill of
  
  exchange made payable at certain number of days after date or after sight or
  
  after a certain event is at maturity, the day of the date, or of presentment
  
  for acceptance or sight, or of protest for non-acceptance, or on which the
  
  event happens, shall be excluded.