The K’atun will happen on the actual dates according to the historical Maya calendar, so the first one to encounter once the game starts will be in September 1342, with the following ones occurring every 19.7 years (so they will not always be on the same month). Once the K’atun finishes, the country will get an event with different outcomes depending on how much preparation they have been able to accomplish, as well as resetting the value of preparation back to 0.

Besides the normal preparations, other additional actions can contribute to the gain of Religious Influence: