While many of you are wondering about the right time to post to their social networks to maximize the reach, many studies have been made on this topic in recent years.
Although the best is first and foremost to do your own experiment here is a small infographic that includes several studies and that an save you a lot of time. Write down on your post-it, here times that globally are best to share content to Facebook, Twitter, Linkedin, Google + and Pinterest:
Facebook : Between 1pm and 4pm with a peak time on Wednesday at 3pm
Twitter : Between 1pm and 3pm and more particularly on Monday and Thursday
Linkedin : Between 7am and 9am and between 5pm and 6pm, more particularly on Tuesday and Thursday
Pinterest : Between 2pm and 4pm and between 8pm and 1am. Peak time on Satursday
Google + : Between 9am and 11am.
Facebook : At night after 8pm and during weekend
Twitter : After 8pm and on Friday after 3pm
Linkedin : Between 10pm and 6am and you should avoid posting on Monday and Friday
Pinterest : Between 5pm and 7pm
Google + : After 6pm.
Source : Social caffeine