How to say “It's about the library. According to the notice, it'll be closed next week, from Monday to Friday.” in Japanese
In Japanese
図書館のことです。掲示によると、来週の月曜日から金曜日まで閉まるそうです。
Toshokan no koto desu. Keiji ni yoru to, raishū no getsuyōbi kara kin'yōbi made shimaru sō desu.