日本の祝日って結構使うだろうと思い.jsonにしてみた。1949年から2030年までの日本の祝日を。もっとあるけど一応。
holiday.json
{
"2022-01-01": "元日",
"2022-01-10": "成人の日",
"2022-02-11": "建国記念の日",
"2022-02-23": "天皇誕生日",
"2022-03-21": "春分の日",
"2022-04-29": "昭和の日",
"2022-05-03": "憲法記念日",
"2022-05-04": "みどりの日",
"2022-05-05": "こどもの日",
"2022-07-18": "海の日",
"2022-08-11": "山の日",
"2022-09-19": "敬老の日",
"2022-09-23": "秋分の日",
"2022-10-10": "スポーツの日",
"2022-11-03": "文化の日",
"2022-11-23": "勤労感謝の日",
"2023-01-01": "元日",
"2023-01-02": "振替休日",
"2023-01-09": "成人の日",
"2023-02-11": "建国記念の日",
"2023-02-23": "天皇誕生日",
"2023-03-21": "春分の日",
"2023-04-29": "昭和の日",
"2023-05-03": "憲法記念日",
"2023-05-04": "みどりの日",
"2023-05-05": "こどもの日",
"2023-07-17": "海の日",
"2023-08-11": "山の日",
"2023-09-18": "敬老の日",
"2023-09-23": "秋分の日",
"2023-10-09": "スポーツの日",
"2023-11-03": "文化の日",
"2023-11-23": "勤労感謝の日",
"2024-01-01": "元日",
"2024-01-08": "成人の日",
"2024-02-11": "建国記念の日",
"2024-02-12": "振替休日",
"2024-02-23": "天皇誕生日",
"2024-03-20": "春分の日",
"2024-04-29": "昭和の日",
"2024-05-03": "憲法記念日",
"2024-05-04": "みどりの日",
"2024-05-05": "こどもの日",
"2024-05-06": "振替休日",
"2024-07-15": "海の日",
"2024-08-11": "山の日",
"2024-08-12": "振替休日",
"2024-09-16": "敬老の日",
"2024-09-22": "秋分の日",
"2024-09-23": "振替休日",
"2024-10-14": "スポーツの日",
"2024-11-03": "文化の日",
"2024-11-04": "振替休日",
"2024-11-23": "勤労感謝の日",
"2025-01-01": "元日",
"2025-01-13": "成人の日",
"2025-02-11": "建国記念の日",
"2025-02-23": "天皇誕生日",
"2025-02-24": "振替休日",
"2025-03-20": "春分の日",
"2025-04-29": "昭和の日",
"2025-05-03": "憲法記念日",
"2025-05-04": "みどりの日",
"2025-05-05": "こどもの日",
"2025-05-06": "振替休日",
"2025-07-21": "海の日",
"2025-08-11": "山の日",
"2025-09-15": "敬老の日",
"2025-09-23": "秋分の日",
"2025-10-13": "スポーツの日",
"2025-11-03": "文化の日",
"2025-11-23": "勤労感謝の日",
"2025-11-24": "振替休日",
"2026-01-01": "元日",
"2026-01-12": "成人の日",
"2026-02-11": "建国記念の日",
"2026-02-23": "天皇誕生日",
"2026-03-20": "春分の日",
"2026-04-29": "昭和の日",
"2026-05-03": "憲法記念日",
"2026-05-04": "みどりの日",
"2026-05-05": "こどもの日",
"2026-05-06": "振替休日",
"2026-07-20": "海の日",
"2026-08-11": "山の日",
"2026-09-21": "敬老の日",
"2026-09-22": "国民の休日",
"2026-09-23": "秋分の日",
"2026-10-12": "スポーツの日",
"2026-11-03": "文化の日",
"2026-11-23": "勤労感謝の日",
"2027-01-01": "元日",
"2027-01-11": "成人の日",
"2027-02-11": "建国記念の日",
"2027-02-23": "天皇誕生日",
"2027-03-21": "春分の日",
"2027-03-22": "振替休日",
"2027-04-29": "昭和の日",
"2027-05-03": "憲法記念日",
"2027-05-04": "みどりの日",
"2027-05-05": "こどもの日",
"2027-07-19": "海の日",
"2027-08-11": "山の日",
"2027-09-20": "敬老の日",
"2027-09-23": "秋分の日",
"2027-10-11": "スポーツの日",
"2027-11-03": "文化の日",
"2027-11-23": "勤労感謝の日",
"2028-01-01": "元日",
"2028-01-10": "成人の日",
"2028-02-11": "建国記念の日",
"2028-02-23": "天皇誕生日",
"2028-03-20": "春分の日",
"2028-04-29": "昭和の日",
"2028-05-03": "憲法記念日",
"2028-05-04": "みどりの日",
"2028-05-05": "こどもの日",
"2028-07-17": "海の日",
"2028-08-11": "山の日",
"2028-09-18": "敬老の日",
"2028-09-22": "秋分の日",
"2028-10-09": "スポーツの日",
"2028-11-03": "文化の日",
"2028-11-23": "勤労感謝の日",
"2029-01-01": "元日",
"2029-01-08": "成人の日",
"2029-02-11": "建国記念の日",
"2029-02-12": "振替休日",
"2029-02-23": "天皇誕生日",
"2029-03-20": "春分の日",
"2029-04-29": "昭和の日",
"2029-04-30": "振替休日",
"2029-05-03": "憲法記念日",
"2029-05-04": "みどりの日",
"2029-05-05": "こどもの日",
"2029-07-16": "海の日",
"2029-08-11": "山の日",
"2029-09-17": "敬老の日",
"2029-09-23": "秋分の日",
"2029-09-24": "振替休日",
"2029-10-08": "スポーツの日",
"2029-11-03": "文化の日",
"2029-11-23": "勤労感謝の日",
"2030-01-01": "元日",
"2030-01-14": "成人の日",
"2030-02-11": "建国記念の日",
"2030-02-23": "天皇誕生日",
"2030-03-20": "春分の日",
"2030-04-29": "昭和の日",
"2030-05-03": "憲法記念日",
"2030-05-04": "みどりの日",
"2030-05-05": "こどもの日",
"2030-05-06": "振替休日",
"2030-07-15": "海の日",
"2030-08-11": "山の日",
"2030-08-12": "振替休日",
"2030-09-16": "敬老の日",
"2030-09-23": "秋分の日",
"2030-10-14": "スポーツの日",
"2030-11-03": "文化の日",
"2030-11-04": "振替休日",
"2030-11-23": "勤労感謝の日"
}
何かに使えるので使ってくだい
https://9rando.info/j-holiday/2024
の真ん中ぐらいにCSVとEXCELがある