We would go with the government site, a good number of inmate profiles are added by our members. If you would like us to look into this particular case, send us an email to aid@inmateaid.com and we'll investigate.
https://www.inmateaid.com/ask-the-inmate/on-the-prison-info-for-my-friend-it-shows-a-release-date-of-tomorrow-however-on-the-inmate-locator-gov-site-it-shows-the-earliest-possible-release-date-of-april-which-is-the-actual-release-date#answer
Accepted Answer Date Created: February 10,2019