The new date is now Saturday, August 12, 2017.
Shortlisted candidates are to report at their various centres across the states of the federation on Saturday August 12, 2017 by 8:00 am.
A statement by Navy spokesman, Captain Suleiman Dahun, requests candidates to come to the designated examination centres with copies of their online completed forms.
Names of successful candidates in the Aptitude Test will be published online on Monday August 21, 2017.
According to him, successful candidates will attend a selection interview from Friday, August 25 to Saturday, September 23, 2017 at the Nigerian Navy Secondary School, Ojo-Lagos.
Applicants are always advised to visit the Nigerian Navy Website http://www.joinnigeriannavy.com, for latest updates.
The service, he said regrets any inconveniences that the sudden change in date may have caused the candidates and the general public.