Sony has revealed that routine maintenance and improvements for PlayStation Network will be performed later this week, taking the PSN offline for approximately 2 hours. The maintenance will take place between 23rd June 2016 at 6:30am BST until 8:30am BST.
For North America, that means 10:30pm Pacific time, until 12:00am, on 22nd June 2016.
Anyone who already has an account can still sign in, play games and use most applications while this maintenance is carried out. You will not be able to access Account Management, PlayStation Video, and PlayStation Store during this maintenance.