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## WEEKNUM

gati yeroo keessaaf,WEEKNUM'n lakkoofsa torbanii waggaa keessaa shallaga.

Labsiin Adduunyaa Waaltawaa (AW)8601 akka labseetti Wixaatni guyyaa jalqaba torbani ta'a.Toorban gariin wagga tokko keessa gariin immoo waggaa isaa biraa keessa yommuu ta'uu, waggaan lakkoofsi guyyaa baay'ee toorbanicha keessaatti argameetti lakkoofsi guyyaa sun ida'aama. Kana jechuun torbaan jalqabaa waggaa kamiyyuu torbaan ji'a ammajji 4ffaa of keessa qaba.

This function is available since LibreOffice 5.1

#### Syntax

ISOWEEKNUM(Number)

Lakkoofsalakkoofsa aduu keessaati.

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.

#### Example

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

=ISOWEEKNUM(DATE(1999;1;1)) returns 53. Week 1 starts on Monday, 1999-01-04.