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karlosmid/us_week_number.rb

Last active August 29, 2015 14:08
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US week number implementation in IronRuby
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us_week_number.rb
def us_week_number us_date
date_time_formatinfo_in_dot_net = System::Globalization::DateTimeFormatInfo.new
date_time_formatinfo_in_dot_net.CalendarWeekRule = System::Globalization::CalendarWeekRule.FirstFullWeek
my_calendar = date_time_formatinfo_in_dot_net.Calendar
us_date_dot_net_instance = System::DateTime.parse(us_date.strftime('%Y/%m/%d'))
my_calendar.GetWeekOfYear(us_date_dot_net_instance,date_time_formatinfo_in_dot_net.CalendarWeekRule,date_time_formatinfo_in_dot_net.FirstDayOfWeek)
end
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