The Tzolkin was combined with a 365 - day vague solar year known as the Haab ' to form a synchronized cycle lasting for 52 Haab ' , called the Calendar Round .
The 260 - day count is known to scholars as the Tzolkin , or Tzolk'in .
The Tzolk'in was combined with a 365 - day vague solar year known as the Haab ' to form a synchronized cycle lasting for 52 Haab ' , called the Calendar Round .
The 260 - day count is known to scholars as the Tzolkin , or Tzolk'in .