We have confirmed that the remaining period shown in-game for Season 4 is wrong in every location for consoles.
The correct period is as follows: "Until the start of maintenance on June 28 (PDT).
■Season 4 BALLISTA Release Notes
https://gundamevolution.com/en/news/157
We will be fixing this display issue in the next update.
We sincerely apologize for any inconvenience this may have caused to console players.