{"data_version":"2026-11-01","built_at":"2026-11-02T00:56:21+00:00","from":1955,"to":2100,"confirmed_through":2027,"sources":{"holidays":"https://www8.cao.go.jp/chosei/shukujitsu/syukujitsu.csv","astronomy":"JPL DE440s / skyfield 1.55"},"counts":{"holidays":2370,"confirmed":1067}}