Global Link to undergo maintenance Monday
The Pokémon Global Link had announced that the Pokémon Global Link for X and Y will undergo maintenance starting Monday, November 25, 2013.
As such, it will be unavailable in the US (EDT) from November 25, 2013 at 3:00 p.m. to November 26, 2013 at 5:00 a.m. and in the UK (GMT) from November 25, 2013 at 8:00 p.m. to November 26, 2013 at 10:00 a.m.
Times are subject to change. The Pokémon Global Link for the Generation V games will remain unaffected.