Sony has announced they will be taking the PlayStation Network offline for around 13 hours today, to carry out essential maintenance work. The outage will commence on Monday, April 16th, starting at approximately 6:00 am PDT / 9:00 am EDT and will be returning around 7:00pm PDT / 10:00 pm EDT.
During the outage Sony has explained that users will not be able to be able to access the PlayStation Store, PlayStation Home, Account Management or play online. Also PSN enabled website will also be down and unable to service users. Sony explains:
“Keep your eyes on the PlayStation Twitter feed for a notice when PSN is fully back online. We look forward to gaming with you all when the maintenance is finished on Monday night.”
Source: PlayStation Blog