2021年の日本の祝日（を載せただけ）
2020年11月16日
※追記 2021/7/5※
※オリンピックの影響で祝日が変更されていました。m(__)m
$holiday["2021"] = array(
"2021-01-01" => "元日",
"2021-01-11" => "成人の日",
"2021-02-11" => "建国記念の日",
"2021-02-23" => "天皇誕生日",
"2021-03-20" => "春分の日",
"2021-04-29" => "昭和の日",
"2021-05-03" => "憲法記念日",
"2021-05-04" => "みどりの日",
"2021-05-05" => "こどもの日",
"2021-07-22" => "海の日",
"2021-07-23" => "スポーツの日",
"2021-08-08" => "山の日",
"2021-08-09" => "振替休日",
"2021-09-20" => "敬老の日",
"2021-09-23" => "秋分の日",
"2021-11-03" => "文化の日",
"2021-11-23" => "勤労感謝の日"
);
振替休日がない・・・。
オリンピックの影響はどうなるのだろうか？
国民の祝日ではないけど、コロナの影響で元旦から成人の日までの間に休暇があるかも。
$holiday["2021"] = array(
"2021-01-01" => "元日",
"2021-01-11" => "成人の日",
"2021-02-11" => "建国記念の日",
"2021-02-23" => "天皇誕生日",
"2021-03-20" => "春分の日",
"2021-04-29" => "昭和の日",
"2021-05-03" => "憲法記念日",
"2021-05-04" => "みどりの日",
"2021-05-05" => "こどもの日",
"2021-07-19" => "海の日",
"2021-08-11" => "山の日",
"2021-09-20" => "敬老の日",
"2021-09-23" => "秋分の日",
"2021-10-11" => "スポーツの日",
"2021-11-03" => "文化の日",
"2021-11-23" => "勤労感謝の日"
);