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FirstDayOfWeekISO()

Function reference Get the first day of the week as a date data type. (ISO standard)FirstDayOfWeekISO( year , week )

ArgumentDescription
yeara numeric value for the year
weeka numeric value for the week number

Data type: Date

FirstDayOfWeekISO( 2013 , 43 )

Expression returns 2013-10-21 which is the date of the first day in week 43. (ISO standard)