The most effective days and times for brands to post on social media vary significantly by network, according to recent data from TrackMaven. Its report was based on an analysis of 17.5 million social media posts made by 17,737 brands on Twitter, Facebook, LinkedIn, Instagram and Pinterest. Brand posts made to Instagram garner the most engagement at 7pm EST on average, and on Fridays. In contrast, brand LinkedIn posts perform best at 9am EST and on Wesdnesdays; while brands' Twitter and Facebook posts both garner the most engagement on Thursdays. The best days and times to post to social media also varies significantly by industry. Find out more.