Surviving

Keeping Time
The Yoruba lunar month consists of six-five day weeks. In reality, the month has five weeks of five day's duration and one four day with a half day. The appearance of the new moon must fall on the first day of the first week, thus the compensation. Since the Yoruba have a six-week lunar month, they deduct twelve hours from the last day of the week. With knowledge of an exact number of lunar months that make a solar year as a measurement of time, it becomes a civil month or calendar month.

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