diff --git a/ecs/jskult-batch-daily/src/batch/dcf_inst_merge/create_dcf_inst_merge.py b/ecs/jskult-batch-daily/src/batch/dcf_inst_merge/create_dcf_inst_merge.py
index 96d66ad7..294fe004 100644
--- a/ecs/jskult-batch-daily/src/batch/dcf_inst_merge/create_dcf_inst_merge.py
+++ b/ecs/jskult-batch-daily/src/batch/dcf_inst_merge/create_dcf_inst_merge.py
@@ -20,6 +20,7 @@ def exec():
     db = Database.get_instance()
     try:
         db.connect()
+        db.to_jst()
         db.begin()
         logger.debug('DCF施設統合マスタ作成処理開始')
         # COM施設からDCF施設統合マスタに登録
diff --git a/ecs/jskult-batch-daily/src/batch/dcf_inst_merge/integrate_dcf_inst_merge.py b/ecs/jskult-batch-daily/src/batch/dcf_inst_merge/integrate_dcf_inst_merge.py
index 816a0545..85de15ed 100644
--- a/ecs/jskult-batch-daily/src/batch/dcf_inst_merge/integrate_dcf_inst_merge.py
+++ b/ecs/jskult-batch-daily/src/batch/dcf_inst_merge/integrate_dcf_inst_merge.py
@@ -14,6 +14,7 @@ def exec():
     db = Database.get_instance()
     try:
         db.connect()
+        db.to_jst()
         db.begin()
         logger.debug('DCF施設統合マスタ日次更新処理開始')
         # DCF施設統合マスタ移行先コードのセット(無効フラグが『0(有効)』)
diff --git a/ecs/jskult-batch-daily/src/batch/laundering/emp_chg_inst_laundering.py b/ecs/jskult-batch-daily/src/batch/laundering/emp_chg_inst_laundering.py
index f78ece9b..8ec3b84e 100644
--- a/ecs/jskult-batch-daily/src/batch/laundering/emp_chg_inst_laundering.py
+++ b/ecs/jskult-batch-daily/src/batch/laundering/emp_chg_inst_laundering.py
@@ -13,6 +13,7 @@ def exec():
     db = Database.get_instance()
     try:
         db.connect()
+        db.to_jst()
         logger.debug('##########################')
         logger.debug('START Changing Employee in charge of institution PGM.')
         # `emp_chg_inst_lau`をTruncate
diff --git a/ecs/jskult-batch-daily/src/batch/laundering/sales_results_laundering.py b/ecs/jskult-batch-daily/src/batch/laundering/sales_results_laundering.py
index 7f6d4259..58755f36 100644
--- a/ecs/jskult-batch-daily/src/batch/laundering/sales_results_laundering.py
+++ b/ecs/jskult-batch-daily/src/batch/laundering/sales_results_laundering.py
@@ -11,6 +11,7 @@ def exec():
     db = Database.get_instance(autocommit=True)
     try:
         db.connect()
+        db.to_jst()
         logger.debug('処理開始')
         # 卸販売実績テーブル（洗替後）過去５年以前のデータ削除
         _call_sales_lau_delete(db)
diff --git a/ecs/jskult-batch-daily/src/db/database.py b/ecs/jskult-batch-daily/src/db/database.py
index 280a9d8b..5ddaba4e 100644
--- a/ecs/jskult-batch-daily/src/db/database.py
+++ b/ecs/jskult-batch-daily/src/db/database.py
@@ -180,6 +180,9 @@ class Database:
             self.__connection.close()
             self.__connection = None
 
+    def to_jst(self):
+        self.execute('SET time_zone = "+9:00"')            
+
     def __execute_with_transaction(self, query: str, parameters: dict):
         # トランザクションを開始してクエリを実行する
         with self.__connection.begin():
diff --git a/ecs/jskult-webapp/src/db/database.py b/ecs/jskult-webapp/src/db/database.py
index f700c016..971c859e 100644
--- a/ecs/jskult-webapp/src/db/database.py
+++ b/ecs/jskult-webapp/src/db/database.py
@@ -180,6 +180,9 @@ class Database:
             self.__connection.close()
             self.__connection = None
 
+    def to_jst(self):
+        self.execute('SET time_zone = "+9:00"')    
+
     def __execute_with_transaction(self, query: str, parameters: dict):
         # トランザクションを開始してクエリを実行する
         with self.__connection.begin():
diff --git a/ecs/jskult-webapp/src/model/internal/master_mainte_emp_chg_inst_function.py b/ecs/jskult-webapp/src/model/internal/master_mainte_emp_chg_inst_function.py
index 4f4f6165..d4379a43 100644
--- a/ecs/jskult-webapp/src/model/internal/master_mainte_emp_chg_inst_function.py
+++ b/ecs/jskult-webapp/src/model/internal/master_mainte_emp_chg_inst_function.py
@@ -30,6 +30,7 @@ class MasterMainteEmpChgInstFunction(metaclass=ABCMeta):
         error_list = []
         try:
             self.emp_chginst_repository.connect()
+            self.emp_chginst_repository.to_jst()
             self.emp_chginst_repository.begin()
             (result_message, error_list) = self.write_emp_chg_inst_table()
             if len(error_list) > 0:
diff --git a/ecs/jskult-webapp/src/repositories/emp_chg_inst_repository.py b/ecs/jskult-webapp/src/repositories/emp_chg_inst_repository.py
index 404d7bca..ce32a244 100644
--- a/ecs/jskult-webapp/src/repositories/emp_chg_inst_repository.py
+++ b/ecs/jskult-webapp/src/repositories/emp_chg_inst_repository.py
@@ -13,6 +13,9 @@ class EmpChgInstRepository(BaseRepository):
 
     def connect(self):
         self._database.connect()
+    
+    def to_jst(self):
+        self._database.to_jst()
 
     def begin(self):
         self._database.begin()
@@ -110,7 +113,7 @@ class EmpChgInstRepository(BaseRepository):
         SET
             emp_cd = :emp_cd,
             updater = :update_user_name,
-            update_date = now()
+            update_date = NOW()
         where
                 inst_cd = :inst_cd
             and ta_cd = :ta_cd
diff --git a/ecs/jskult-webapp/src/services/master_mainte_service.py b/ecs/jskult-webapp/src/services/master_mainte_service.py
index e9620eda..57ba896d 100644
--- a/ecs/jskult-webapp/src/services/master_mainte_service.py
+++ b/ecs/jskult-webapp/src/services/master_mainte_service.py
@@ -149,6 +149,7 @@ class MasterMainteService(BaseService):
     def copy_data_real_to_dummy(self) -> TableOverrideViewModel:
         try:
             self.emp_chginst_repository.connect()
+            self.emp_chginst_repository.to_jst()
             self.emp_chginst_repository.begin()
             self.emp_chginst_repository.delete_dummy_table()
             self.emp_chginst_repository.copy_real_to_dummy()