Recently, it has become easy to get information of Japan in English. However, there are a lot of tourist spots’ information, it is surprisingly hard to find local limited-time events.
If you are in that situation, visit this website “JAPAN ATTRACTIONS”.
japan-attractions
A list of events in Japan is displayed, click a box if you become interested, then a detail of event comes up. The site has very user-friendly interface, you can find your favorite events by date, location, and category. Small community-based events are also posted, so you will experience real Japan not so-called tourist sites.
http://japan-attractions.jp/