Some more maintenance for this week, nothing too exciting.
Wii U: online play, leaderboards (some online services)
Nintendo 3DS: online play, leaderboards (some online services)
The downtime will take place on the following day(s) and at the following time:
Europe: January 24th (1.30AM to 3AM)
UK: January 24th (12.30AM to 2AM)
North America (EST): January 23rd (7.30PM to 9PM)
North America (PST): January 23rd (4.30PM to 6PM)
Japan: January 24th (9.30AM to 12PM)