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# WEEKNUM_EXCEL2003

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

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.

### Sintakse

WEEKNUM_EXCEL2003(Date; ReturnType)

Date is the date within the calendar week.

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

### Piemēri

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

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

Saistītie temati

WEEKNUM_EXCEL2003 wiki page.

Date & Time Functions

DATE

DATEDIF

DATEVALUE

DAY

DAYS

DAYS360

DAYSINMONTH

DAYSINYEAR

EASTERSUNDAY

EDATE

EOMONTH

HOUR

ISLEAPYEAR

ISOWEEKNUM

MINUTE

MONTH

MONTHS

NETWORKDAYS

NETWORKDAYS.INTL

NOW

SECOND

TIME

TIMEVALUE

TODAY

WEEKDAY

WEEKNUM

WEEKNUM_EXCEL2003

WEEKNUM_OOO

WEEKS

WEEKSINYEAR

WORKDAY

WORKDAY.INTL

YEAR

YEARFRAC

YEARS

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