chetratep commented on issue #7852: airflow 1.10.9 can't stop backfilling and timezone issue URL: https://github.com/apache/airflow/issues/7852#issuecomment-603779967 The **defalut_timezone** in **airflow.cfg** does not make the dag timezone aware until it we directly set the **start_date** with timezone. I tried the following ``` from builtins import range from datetime import timedelta import pendulum import airflow from airflow.models import DAG from airflow.operators.bash_operator import BashOperator from airflow.operators.dummy_operator import DummyOperator local_tz = pendulum.timezone("Asia/Tokyo") pnow = pendulum.now('Asia/Tokyo') args = { 'owner': 'airflow', 'start_date': pnow.subtract(hours=36), 'depends_on_past': False, } dag = DAG( dag_id='OOM_test', catchup=False, default_args=args, schedule_interval='40 10 * * *', dagrun_timeout=timedelta(minutes=60), ) # [START task] oom_test = BashOperator( task_id='oom_test', bash_command='python /home/tmail/work/scheduler/testOOM.py > /dev/null 2>&1 ', dag=dag, ) print("Dag: {} TimeZone: {}".format(dag.dag_id, dag.timezone)) oom_test ``` **pnow.subtract(hours=36)** stops the task from executing immediately after enable it on UI.
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