Airflow: Why is there a start_date for operators?

Question

I don\'t understand why do we need a \'start_date\' for the operators(task instances). Shouldn\'t the one that we pass to the DAG suffice?

Also, if the current time

Answer 1

it's likely to not set the dag parameter of your tasks as stated by : https://stackoverflow.com/a/61749549/1743724