Maintenance Occurring On Nintendo Networks

If you're currently trying to play online with your buddies, you may want to know the following:

• Android: Nintendo Switch Parental Controls (update data)
• iOS: Nintendo Switch Parental Controls (update date)
• Europe: June 20th (2AM to 10AM)
• UK: June 20th (1AM to 9AM)
• North America (EST): June 19th (8PM) to June 20th (4AM)
• North America (PST): June 19th (5PM) to June 20th (1AM)
• Japan: June 20th (9AM to 5PM)

NB: the times listed below are those initially listed by Nintendo. Maintenance may end earlier than scheduled, or may last longer.

Source: http://www.perfectly-nintendo.com/nintendo-maintenance-page/