Calendar

Four Calendars are known: Theyalan, Lunar, Eastern and Malkioni

Theyalan Calendar
It is mainly used by Orlanthi and other people influenced from the Lightbringer Missionary in the Dawn Age. Most known calendar.

Lunar Calendar
It is invented by Irrippi Ontor during the Great Blessing Period and used as common calendar in the Lunar Empire.

Eastern Calendar
Quite old for it appeared first in Genertela: Glorantha Book, this book claims that it was used in Kralorela, Bliss in Ignorance, Teshnos and eastern Greatlands and Pent

Malkioni Calendar
Still not official for Heroes of Malkion still not be published, but it is available in Jamie Trotsky Revell's Site