There are many sources that claim there are specific preferable posting times for each network, type of content and target group (cf. e.g this website). Yet, this generalised approach disregards the fact that your follower group is not homogenuos, they are likely to come from different countries and also time zones, and, what matters most for us, freelancers have a different online behaviour than other target groups. Particularly interpreters and translators who work from home tend to be online in the morning, before noon, and not mainly in the afternoon as often said to be true for your average follower. On the basis of my experience with personal and business accounts in the language sector, I would recommend the following posting times for your pages or accounts: