[2] The calendar is neither universal nor synchronized, so various groups will be at different stages of the week, or even year.
Igbos generally have four market days, namely: Eke, Orie, Afọ and Nkwọ.
[4] These spirits, who were fishmongers, were created by Chineke (Faith and Destiny) in order to establish a social system throughout Igboland.
[5] An example of a month: Ọnwa Mbụ The Igbo calendar is not universal, and is described as "not something written down and followed ... rather it is observed in the mind of the people.
The Nri-Igbo calendar year corresponding to the Gregorian year of 2012 was initially slated to begin with the annual year-counting festival known as Igu Aro on 18 February (an Nkwọ day on the third week of February).
Many communities host competitive wrestling events in this month as it is dedicated to finding one's Ikenga through conquering personal and communal struggle.
In many communities this is the month of the Ekeleke dance festival which emphasizes optimism, sustaining your belief in God through hardships and the coming of better days.
The Alom Chi is a shrine or memorial a woman builds in honor of her ancestors.
This month is dedicated to reconnecting with the ancestors by breaking kola and holding communion with them.
Ana (or Ala) is the Igbo earth goddess and rituals for this deity commence in this month, hence it is named after her.