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# VECKONR_ADD

VECKONR beräknar veckonumret i året för det interna datumvärdet.

This function exists for interoperability with LibreOffice releases older than 5.1.0 and OpenOffice.org. It calculates week numbers for a week numbering system in that week number 1 is the week that contains the January 4th. This function does not provide interoperability with other spreadsheet applications. For new documents use the WEEKNUM or ISOWEEKNUM function instead.

### Syntax

VECKONR(Tal; Läge)

tal är det interna datumtalet.

läge beräknar när veckan börjar och typ av beräkning.

1 = Söndag

2 = Monday (ISO 8601)

any other value = Monday (ISO 8601)

When entering dates as part of formulas, slashes or dashes used as date separators are interpreted as arithmetic operators. Therefore, dates entered in this format are not recognized as dates and result in erroneous calculations. To keep dates from being interpreted as parts of formulas use the DATE function, for example, DATE(1954;7;20), or place the date in quotation marks and use the ISO 8601 notation, for example, "1954-07-20". Avoid using locale dependent date formats such as "07/20/54", the calculation may produce errors if the document is loaded under different locale settings.

Unambiguous conversion is possible for ISO 8601 dates and times in their extended formats with separators. If a #VALUE! error occurs, then unselect Generate #VALUE! error in LibreOffice - Preferences Tools - Options - LibreOffice Calc - Formula, button Details... in section "Detailed Calculation Settings", Conversion from text to number list box.

### Exempel

=WEEKNUM_OOO(DATE(1995;1;1);1) returns 1

=WEEKNUM_OOO(DATE(1995;1;1);2) returns 52. Week 1 starts on Monday, 1995-01-02.

#### Technical information

This function is available since LibreOffice 5.1.

This function is not part of the Open Document Format for Office Applications (OpenDocument) Version 1.3. Part 4: Recalculated Formula (OpenFormula) Format standard. The name space is

ORG.LIBREOFFICE.WEEKNUM_OOO

Närliggande ämnen

WEEKNUM_OOO wiki page.

Date & Time Functions

DATUM

DATEDIF

DATUMVÄRDE

DAG

DAGAR

DAGAR360

DAYSINMONTH

DAYSINYEAR

PÅSKDAGEN

EDATUM

SLUTMÅNAD

TIMME

ISLEAPYEAR

[text/scalc/01/func_isoweeknum.xhp#isoweeknum not found].

MINUT

MÅNAD

MONTHS

NETWORKDAYS

NETWORKDAYS.INTL

NU

SEKUND

KLOCKSLAG

TIDVÄRDE

IDAG

WEEKDAY

VECKONR

VECKONR_ADD

[text/scalc/01/func_weeknum_ooo.xhp#weeknum_ooo not found].

WEEKS

WEEKSINYEAR

ARBETSDAGAR

WORKDAY.INTL

ÅR

ÅRDEL

YEARS