Depends... what critter?
For deer, it's 30min after official sunset time. Today's sunset is posted as 4:47, so legal hunting would end at 5:17pm.
For ducks, it would be 4:47pm.
One sunset time doesn’t apply to the whole state. Sunset in Heflin is listed as 442pm, sunset in Epes is 455pm. Big difference from east to west across the state.