Friday the 2nd of April and Monday the 5th of April are public holidays within the UK. There are no postal deliveries or collection on these days. All letters sent after 4pm on Thursday the 1st of April will be processed and posted on the next available working day which is Tuesday the 6th of April. Any letters sent during this time will remain in your "waiting to be sent" queue until Tuesday the 6th of April. In addition to this customers should be aware that any letters sent using the Special Next Day Delivery service after close of business (5pm UK time) on Wednesday the 31st of March will arrive on the next working day which is Tuesday the 6th of April.