When you open the World Herald and click the Game Info Button, the required points and the time until the next change of day are displayed.
On the 10-player (Blitzkrieg) map are needed 540 points (80%) for a co-victory win, and 405 points (60%) for a solo win.
Also see >> forum.callofwar.com/index.php?thread/26191-retirement-to-coalition-win << :
