Usually like 7:30. Had to get kids to school. I always eat pretty wholesome food with lots of whole grain and vegetable. When I was doing IF, I needed a big lunch to regain my senses and frequently didn't make it to 6PM without needing another dose of food. I suspect I was fitting my normal calorie intake in that window. If the goal was to somehow trick my metabolism into wanting fewer calories, I don't think it worked at all.