Facebook Graph API since/until Not Working for Facebook Conversations – Facebook api
For other nodes, such as Posts, I can easily retrieve the posts newer than the specified date via since me/posts?fields=id,link,created_time&since=2017-05-23 { "data": [ { "id": "344993862351965_654017808116234", "link": "http://www.news.com.au/world/europe/manchester-terrorist-wanted-maximum-carnage-british-pm-says/news-story/b47c5a33ac2c237b13ca31df4af84766", "created_time": "2017-05-24T07:19:53+0000" }, { "id": "344993862351965_654008634783818", "created_time": "2017-05-24T06:50:59+0000" }, { "id": "344993862351965_654007804783901",…