To me is different times depending if I'm at home, work or working from home. Working from home means I surf whatever on one machine and do work on my work machine.

Usually is after work around 5PM to 00PM, some days I not here. Usually when I'm on holiday and traveled somewhere I don't go much online. Then I enjoy the place I traveled to and do fun stuff with my gf, friends, family or whoever comes with.

So I go with the option 8 to 00PM.

depends on what time I'm up,
on weekdays it's from 9:30am
until 11pm.

on weekends it's noon-ish until midnight.

It depends on weather or not I have a job. Right now I don't, so I browse around 9:00 to 10:00 AM. But when I work, it's usually some time in the evening.

Most of the day. I am very on and off. Usually during school, so 10-5

4:00 am-6:00 am

Using a notifier app, so I see things the moment they are posted, if I want to.

Tends to vary quite a bit depending on what else I have going on...

None of those.. I work from 4:00pm to 2:30am, I check deviantart when I get home from work.. so usually 3:00am to 5:00am

8am - 8am the next day (then it repeats itself.)