RosterIn commented on issue #4768: [AIRFLOW-3800] run a dag at the beginning of 
the scheduled interval
URL: https://github.com/apache/airflow/pull/4768#issuecomment-512641474
 
 
   > I would like to revive the discussion around this PR as I feel it adds 
helpful functionality. My scenario is that I need a DAG to run Tuesday Through 
Saturday populating data for the previous day, at first pass this seems like 
the out of the box configuration with a 1-5 schedule would work but as we all 
know with the run at end of interval logic, execution date Friday doesn't kick 
until Monday, and I need it to go on Saturday. I know I can work around this by 
adding a short circuit operator and running the dag everyday, but then I have 
to add an extra operator to every dag that I want to behave this way and if I'm 
looking at dag run times, I'll have artificially lower numbers on the weekends.
   
   You have DayOfWeekSensor
   

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