what hours are generators permitted

Generator use is limited to the hours of 7:00 am to 9:00 am and 6:00 pm to 8:00 pm. Generators cannot be used outside of these hours.There are no hookups. https://www.recreation.gov/camping/campgrounds/232489

A couple of hours in the morning and a couple in the evening.

6A - 8A and 6P - 8P, and they tend to be fairly picky about that too.

I think it was 7am to 9am and 7pm to 9pm.

I believe 7am to 7pm