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http://en.wikipedia.org/wiki/ISO_week_date http://en.wikipedia.org/wiki/ISO_week_date The ISO week date system is a leap week calendar system that is part of t

by CUViper 17y ago

http://en.wikipedia.org/wiki/ISO_week_date http://en.wikipedia.org/wiki/ISO_week_date The ISO week date system is a leap week calendar system that is part of the ISO 8601 date and time standard. The system is used (mainly) in government and business for fiscal years, as well as in timekeeping.