WEEKNUM
Syntax:
WEEKNUM ( serial-value [ , weekday-start-flag ] )
Description: Computes the week number of the date corresponding to serial-value. The week containing January 1 is the first week of the year, and is numbered week 1.
Arguments:
Name |
Type |
Description |
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serial-value |
number |
The date whose week number is to be computed. The value of serial-value is truncated to an integer. |
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weekday-start-flag |
number |
When truncated to integer, indicates the weekday on which the week begins, as follows:
|
Return Type and Value: number – The week number of the date corresponding to serial-value.
However, if
serial-value is out of range for the current date base value,
#NUM!
is returned.weekday-start-flag is out of the range specified in the table above,
#NUM!
is returned.