It depends on what's going on that day...some days we come right home and eat dinner at 6, some nights we have soccer practice and don't eat until 8, and other nights I'm either so busy or just too lazy to eat until well after 9.
In winter, I like to eat around 6. It feels good to get some warm food in. In the summer, I like to eat at the beach bar. Between 8 & 9 so I can also enjoy a sunset.
I eat so late...rarely before 8, unless I'm at my parent's house, eating with them. It usually takes my boyfriend and I at least an hour to decide what we want to eat, then cook it!
It's kinda horrible, but I usually tend to eat dinner when my favorite tv shows are on - so usually 8 or past 8. Yes, I know it encourages mindless eating, but it doesn't for me. I eat slower, and less because I'm distracted by the show.
Usually between 7-8pm, but that depends on what time I get home from the lab. Plenty of days, I don't even eat dinner because I'm not getting back until 9:30 or so.... and when my alarm is going off at 4:30 every morning, I'd rather sleep than eat dinner. Generally, the second I walk in the door I start cooking, so I can eat, shower, read a few scientific articles or analyze data, and then head to bed.