Reference > Functions reference > Date functions > WeekOfYear
 

WeekOfYear

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.

Example 1 

WeekOfYear ( "1/1/2019" ) returns 1.

WeekOfYear ( ProjectDue ) returns 6, when ProjectDue is 2/2/2019.

WeekOfYear ( "1/1/2019" ) - WeekOfYear ( "2/2/2019" ) returns -5.

Related topics 

Functions reference (category list)

Functions reference (alphabetical list)

About formulas

About functions

Defining calculation fields

Using operators in formulas