Undestand the Start_date of a dag

Question

Here's my code for a simple airflow dag.

Today is 2022-07-15. I run the simple_dag. The dates that start by July 12, 20:00 and so on, on top of some dagrun means what ?

Answer 1

It is relate to your start_date that is from 13 July with difference of 4 hours from UTC.

Airflow his running the dag every 10 min from your start_date.

for more info : https://airflow.apache.org/docs/apache-airflow/stable/faq.html#what-s-the-deal-with-start-date