My phone is stuck on the same day and not updating

[AC Question]

So something strange happened yesterday my phone died like completely i charged it and turned it back on and it was like a random time and it was 3 days behind so i changed my time and date to normal and now every time i go on app like say instagram or facebook messenger it will say they posted etc... 3 days ago even though it was today its like its stuck and won`t refresh its self my phones a sony xperia t