Well, not necessarily the only factor. When I was living in Bangalore (a few years ago), I remember that if I post a question on StackOverFlow at night (Indian

Well, not necessarily the only factor. When I was living in Bangalore (a few years ago), I remember that if I post a question on StackOverFlow at night (Indian Standard Time), I had a higher chance of getting more responses than if I did it during the day. I presumed it must be because that translates into about morning in Americas and mid day in Europe and probably these places had the bulk of the active users.