The 4–4–5 calendar is a method of telling accounting periods, and is a common calendar structure for some industries such as retail and manufacturing. It divides a year into four quarters of 13 weeks, each grouped into two 4-week "months" and one 5-week "month".
The 4–4–5 calendar is a method of telling accounting periods, and is a common calendar structure for some industries such as retail and manufacturing. It divides a year into four quarters of 13 weeks, each grouped into two 4-week "months" and one 5-week "month".
Source: Wikipedia "4–4–5 calendar" · CC BY-SA 4.0
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