Documentation/Calc Functions/WEEKNUM EXCEL2003

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Function name:

WEEKNUM_EXCEL2003

Category:

Date and Time

Summary:

The result indicates the number of the calendar week for a date.

Syntax:

WEEKNUM_EXCEL2003(Date; ReturnType)

Returns:

Arguments:

Date is the date within the calendar week.

ReturnType is 1 for week beginning on a Sunday, 2 for week beginning on a Monday.

Additional details:

The WEEKNUM_EXCEL2003 function is designed to calculate week numbers exactly as Microsoft Excel 2003 did. Use the WEEKNUM function for ODF OpenFormula and Excel 2010 compatibility, or ISOWEEKNUM function when you just need ISO 8601 week numbers. In releases prior to LibreOffice 5.1 WEEKNUM_EXCEL2003 was named WEEKNUM_ADD.

Examples:

In which week number does 2001-12-24 fall?

=WEEKNUM_EXCEL2003(DATE(2001;12;24);1) returns 52.

Related LibreOffice functions:

ODF standard:

Equivalent Excel functions: