Burns must start after 8:00 AM and must be put out before dark
It is unlawful to burn man made materials such as tires, shingles, plastics, lumber, household garbage, etc.
Permits are only good the day they're issued
"A permit is required for burning all Natural Vegetation that is hand piled, including leaf piles on the premises that they fall, existing small clearings to plant vegetable and flower gardens, and vegetative debris disposal from storm damage, weed abatement, disease and/or pest prevention. A hand piled permit does not include the burning of debris generated by machine clearing of an area for the purpose of establishing a garden spot or land clearing."
You can also learn more about Burn permits and how to obtain them by clicking here