On Instagram, is also a winner, along with Friday at 10am.( wednesday*********)
The worst time on Instagram? Sunday, identical to Twitter. Possibly which is because individuals tend to be more most likely to be in the home or engaging in leisure activites on Sundays, and so more unlikely to be spending some time in the apps. 

On Twitter, and Friday also come out on top.( wednesday*********)
But as you can plainly see, Saturday is, total, Twitter’s worst, perhaps not Sunday, which appears like an variance that is interesting

Over on LinkedIn, Spout’s information suggests Wednesdays from 8–10 a.m. and noon, Thursdays at 9 a.m. and 1–2 p.m., and Fridays at 9 a.m. will be the many times that are engaging