The release date is something every inmate knows. If they are getting a reduction and are waiting for a new out-date, it might take up to two months before it reposts. All calculations are done by the administration under the direction of the Department of Corrections or the Bureau of Prisons
https://www.inmateaid.com/ask-the-inmate/when-will-a-inmate-know-if-they-getting-released#answer
Accepted Answer Date Created: August 04,2016