What Are The Best Times to Post on Social Media

Neil Patel on January 2, 2015

https://www.quicksprout.com/2015/01/02/what-are-the-best-times-to-post-on-social-media/

The Best (And Worst) Times To Post On Social Media (Infographic)

http://www.fastcompany.com/3036184/how-to-be-a-success-at-everything/the-best-and-worst-times-to-post-on-social-media-infograph

probably the most detailed break down:

A Scientific Guide to Posting Tweets, Facebook Posts …

https://blog.bufferapp.com/best-time-to-tweet-post-to-facebook-send-emails-publish-blogposts

and several others:

The Best Times to Post on Facebook, Twitter, LinkedIn & Other Social Media Sites [Infographic]

http://blog.hubspot.com/marketing/best-times-post-pin-tweet-social-media-infographic

When’s the Best Day and Time to Post on Social Media?

this one talks about the use of Hootsuite and likes, might be worth looking at it:
http://www.socialmediatoday.com/content/best-times-post-social-media-infographic