Ikirangaminsi Kalendari yamamaza urubuga rwurubuga, goo (http://www.goo.ne.jp) ni kalendari ikora hamwe nurupapuro rwa buri kwezi ihinduka mumufuka igufasha kubika no gucunga amakarita yawe yubucuruzi, inoti hamwe ninyemezabwishyu . Insanganyamatsiko ni Umutuku Werekana kwerekana isano hagati ya goo nabakoresha. Impera zombi zumufuka mubyukuri zifatwa nubudodo butukura bihinduka ikintu cyaranze igishushanyo. Kalendari muburyo bushimishije bwo kwerekana, birakwiye muri 2014.