This infographic below from SurePayroll, illustrates peak times and guidelines for Facebook, Twitter, LinkedIn, Pinterest, Tumblr, and Google +. They are all different, but what most share in common is to avoid posting early morning on the weekends, or after 3 pm on Fridays. Start posting at the right time, to get the best results. You can use a scheduling program like Hootsuite, or CoSchedule to schedule posts to go out to social media at the best times, so you don’t have to be a slave to your computer or phone at posting times.