they didn't include HN in their writeup, but the bitly folks had a blog post about this topic pretty recently. They looked at posting times for Twitter, FB, an

they didn't include HN in their writeup, but the bitly folks had a blog post about this topic pretty recently. They looked at posting times for Twitter, FB, and Tumblr. http://blog.bitly.com/post/22663850994/time-is-on-your-side http://blog.bitly.com/post/22663850994/time-is-on-your-side