Each calendar served a different purpose: The Long Count was used to date historical events, The Tzolkin was used to date religious events, and the Haab was used to date more minor events.

• 每一种日历有不同的目的：龙伯爵历计算历史事件，卓尔金历计算宗教典礼活动，哈伯历计算日常琐事。