diff --git a/src/main/java/org/ntlab/citrusserver/repositories/BookManager.java b/src/main/java/org/ntlab/citrusserver/repositories/BookManager.java
index d19fd96..ecf2664 100644
--- a/src/main/java/org/ntlab/citrusserver/repositories/BookManager.java
+++ b/src/main/java/org/ntlab/citrusserver/repositories/BookManager.java
@@ -5,6 +5,8 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Repository;
 
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -43,7 +45,7 @@
         }
         Account account = accountManager.getAccount(accountId); //アカウントの取得
         int newBookId = account.getNewBookId(); //新たに生成されたIdを取得（作成数もここで加算している）
-        Book book = new Book(accountId, newBookId, title, publicity, color); //本の初期化
+        Book book = new Book(accountId, newBookId, title, publicity, color, getDateTime()); //本の初期化
         notifyListener(account, book);//公開設定を通知します
         booksMap.get(accountId).put(newBookId, book); //ブックに追加
         return booksMap.get(accountId).get(newBookId);  //（int->Bookを返すように変更した）
@@ -138,4 +140,12 @@
     }
 
 
+    //現在時刻の取得
+    private String getDateTime()
+    {
+        LocalDateTime nowDate = LocalDateTime.now();
+        DateTimeFormatter dtf1 = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm");
+        return dtf1.format(nowDate);
+    }
+
 }