https://www.nchs.nagasaki-city.ed.jp/school_events/2025%e5%b9%b4%e5%b9%b4%e9%96%93%e8%a1%8c%e4%ba%8b/2026-04-29T11:10:42+09:00https://www.nchs.nagasaki-city.ed.jp/school_events/2026%e5%b9%b44%e6%9c%88/2026-04-14T12:34:03+09:00https://www.nchs.nagasaki-city.ed.jp/school_events/2026%e5%b9%b45%e6%9c%88/2026-04-30T18:28:59+09:00https://www.nchs.nagasaki-city.ed.jp/school_events/1417/2026-05-26T08:28:21+09:00