On, the cheque will be no longer a post-dated cheque, but becomes a current dated cheque. That is, the future date has not yet arrived (till ).

In other words, till this cheque will be considered as post-dated cheque. For example, if today is, then a cheque which bears a date (say) is a post-dated cheque, till that date () comes. A post-dated cheque is a cheque, on which a future date appears and not a current date.