Light during 12/12

I have a pretty large grow room, roughly 15x18 feet.
I have it broken up to 2 rooms, one room is for veg and the other is for flowering.

Both rooms are on the same side of the room, each room consists of roughly 6x6 and I have openings on opposite sides of each other for access to each room, I also have curtains covering the doors, except I have about 2 feet open at the tops of the doorways for additional airflow. Light does escape the rooms into the bigger room, but I do have light dampening screens covering the top openings.

My questions is would the small amount of light from this opening effect the flowering process? When I say there is light coming in, it is obviously very much indirect light, if standing in the room for a few minutes allowing eyes to adjust I would honestly say it is still darker than it would be outside with a full moon.

The area where the indirect light would be entering is entering at the roughly 6 foot high area of the door to the ceiling (8 foot ceiling) . The closest plant to the doorway is about 3 feet away and is located on the floor.

Just curious if no one else deals with this and if its a problem. 8 plants in 2nd day of 12/12 and are doing the stretch, all seems good... but want some input.

In theory when its in dark nothing brighter than the moon light on the plant or it could stress the plant

yes a bit of light will stress the plant.
make sure its fully dark.

I knew someone who opened his door and disturbed his ladies only a couple times and they went hermie, and he was only using a candle at the opposite end of the hall for light.