https://www.animenewsnetwork.com/news/2011-10-24/anime-contents-expo-2012-to-run-march-31-april-1
Anime Contents Expo 2012 to Run March 31-April 1 (Updated) - News - Anime News Network
1 week after next year's Tokyo Anime Fair in Makuhari Messe east of Tokyo
march 31 april 1anime contents expo