Functions Reference

Table Of Contents
Date functions
F
ILEMAKER FUNCTIONS REFERENCE 61
WeekOfYear
Purpose
Returns the number of weeks after January 1 of the year of a date.
Format
WeekOfYear(date)
Parameters
date - any calendar date
Data type returned
number
Originated in
FileMaker Pro 6.0 or earlier
Description
Fractions of weeks occurring at the beginning or end of the year count as full weeks, so the
WeekOfYear function returns values 1 to 54.
Important To avoid errors when using dates, always use four-digit years. For more information
about how FileMaker Pro handles two-digit dates, see Conversion of dates with two-digit years.
Examples
WeekOfYear(“1/1/2014”) returns 1.
WeekOfYear(ProjectDue) returns 6, when ProjectDue is 2/2/2014.
WeekOfYear(“1/1/2014”) - WeekOfYear(“2/2/2014”) returns -5.