There are a few things you can do to find out how long you have been friends on Facebook.

  1. Type “Facebook Friends” into the Facebook search bar and hit enter. This will list all of your Facebook friends in alphabetical order.
  2. Scroll down and look for the friend that you are most interested in finding out how long they have been friends with you.
  3. Click on the “Details” tab and then click on the “Date of Friendship.” This will give you a detailed breakdown of how long each of your Facebook friends has been friends with you.