As someone from poor rural Midwest, I can tell you from first hand experience, that people have usually ran out of food stamps about 3 weeks into the month.
Meaning, most people on snap are waiting for the first to get groceries because they don't have anything.

And now we are going on week 2 of the month.

So for many. It's now getting close to 3 weeks without food money.

And with the rising food costs, I wouldn't be surprised if people are running out of snap money closer to the midpoint of the month.

So for them. It's been 4 weeks