in.gov/dhs/3375.htm
Become more familiar with the state firework laws in Indiana. It is also important to check local ordinances for any firework limitations that might exist in the area:
Throughout the year it is legal to set off fireworks from 9 a.m. to 11 p.m., but this may be limited further by local ordinances. Citizens should check with local officials.
On state holidays it is legal to set off fireworks from 9 a.m. to midnight, but this may be limited further by local ordinances.
The times on the following dates are protected in Indiana for consumer use of fireworks and may not be prohibited by local ordinance:
June 29-July 3: from 5 p.m. until two hours after sunset;
July 4: from 10 a.m. to midnight;
July 5-July 9: from 5 p.m. until two hours after sunset; and
December 31: from 10 a.m. to 1 a.m.
Fireworks can only be purchased by persons 18 years of age or older.
Fireworks use is limited to personal property, the property of someone who has approved the use of fireworks or at a location designated specifically for the use of consumer fireworks.