A free English calendar app introducing Japanese culture. "72 seasons" come from the calendar from ancient Japan that divides a year into the 24 solar terms and 72 seasons. The calendar is updated approximately every five days. The content includes commentaries explaining haiku poems, photos of seasonal food, illustrations and etc.

iOS

https://itunes.apple.com/app/72-seasons/id1059622777?ls=1&mt=8

Android

https://play.google.com/store/apps/details?id=jp.co.heibonsha.app.koyomi_en