According to bitly,
Posting links to Twitter between the hours of 1 pm and 3pm EST will give you the highest click count.Posting after 8 pm should be avoided.The peak traffic times for Twitter are 9am through 3pm, Monday through Thursday.Avoid posting on the weekends.
Posting links to facebook between the hours of 1 pm and 4pm EST give you the highest click count.The peak time of the week was on Wednesday at 3pm.Avoid posting on the weekends.
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