Super Smash Bros. for Wii U & 3DS undergoing maintenance on Monday / Tuesday

Nintendo announced today that both the 3DS and Wii U versions of Super Smash Bros. will undergo maintenance on July 13th/14th, depending on your location. Both online play and leaderbords will be affected. The exact times are below:

Europe: July 13th (11PM) to July 14th (2AM)
UK: July 13th (10PM) to July 14th (1AM)
North America (EDT): July 13th (5PM to 8PM)
North America (PDT): July 13th (2PM to 5PM)
Japan: July 14th (6AM to 9AM)

Source