MERRY NEW YEAR NIGERIA (FEB 14, 2016)! Odinani Igbo religious calender
The Igbo calendar is the traditional calendar system of the Igbo people which has 13 months in a year (afo), 7 weeks in a month (onwa), and 4 days in a week (izu) plus an extra day at the end of the year, in the last month. The name of these months was reported by Onwuejeogwu (1981).
Read Full Story: https://en.m.wikipedia.org/wiki/Igbo_calendar