The next maintenance session will affect some "online play, rankings etc" for 10 hours or more.
The following schedule have been automatically converted to Philippine time. Please remember that in case maintenance schedule gets extended, parts of the affected services may be intermittently unavailable.
Start: Monday, December 14, 2015 at 9:00 AM
End: Monday, December 14, 2015 at 7:00 PM
Affected Services:
- Online Play, Rankings, etc.
As the official websites aren't specifying which games will be affected at the time of writing, be aware that online features from any 3DS game or application could be temporarily unavailable during the maintenance.
via nintendo.co.jp
