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# WEEKDAY

Returns the day of the week for the given date value. The day is returned as an integer between 1 (Sunday) and 7 (Saturday) if no type or type=1 is specified. For other types, see the table below.

This function is part of the Open Document Format for Office Applications (OpenDocument) standard Version 1.2. (ISO/IEC 26300:2-2015)

### Sintakso

WEEKDAY(Number [; Type])

Nombro, kiel horovaloro, estas dekumo, por kiu liveru la tagon.

Type is optional and determines the type of calculation.

Type | Weekday number returned
--- | ---
1 or omitted | 1 (Sunday) through 7 (Saturday). For compatibility with Microsoft Excel.
2 | 1 (Monday) through 7 (Sunday).
3 | 0 (Monday) through 6 (Sunday)
11 | 1 (Monday) through 7 (Sunday).
12 | 1 (Tuesday) through 7 (Monday).
13 | 1 (Wednesday) through 7 (Tuesday).
14 | 1 (Thursday) through 7 (Wednesday).
15 | 1 (Friday) through 7 (Thursday).
16 | 1 (Saturday) through 7 (Friday).
17 | 1 (Sunday) through 7 (Saturday).

These values apply only to the standard date format that you select under LibreOffice - Preferences Tools - Options- LibreOffice Calc - Calculate.

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.

### Ekzemploj

=WEEKDAY("2000-06-14") returns 4 (the Type parameter is missing, therefore the standard count is used. The standard count starts with Sunday as day number 1. June 14, 2000 was a Wednesday and therefore day number 4).

=WEEKDAY("1996-07-24";2) returns 3 (the Type parameter is 2, therefore Monday is day number 1. July 24, 1996 was a Wednesday and therefore day number 3).

=WEEKDAY("1996-07-24";1) returns 4 (the Type parameter is 1, therefore Sunday is day number 1. July 24, 1996 was a Wednesday and therefore day number 4).

=WEEKDAY("2017-05-02";14) returns 6 (the Type parameter is 14, therefore Thursday is day number 1. May 2, 2017 was a Tuesday and therefore day number 6)

=WEEKDAY(NOW()) returns the number of the current day.

To obtain a function indicating whether a day in A1 is a business day, use the IF and WEEKDAY functions as follows:
IF(WEEKDAY(A1;2)<6;"Business day";"Weekend")

Rilataj temoj

WEEKDAY wiki page.

Date & Time Functions

DATO

DATOSE

DATOVALORO

TAGO

TAGOJ

TAGOJ360

DAYSINMONTH

DAYSINYEAR

PASKADIMANĈO

FINDAT

MONFIN

HORO

ISLEAPYEAR

NRO.SEMAJNO.ISO

MINUTO

MONATO

MONTHS

NETWORKDAYS

NETWORKDAYS.INTL

NUN

SEKUNDO

HORO

TEMPOVALORO

HODIAŬ

WEEKDAY

NRO.SEMAJNO

SEMAJNONUMERO_ADD

NRO.SEMAJNO.OOO

WEEKS

WEEKSINYEAR

LABORTAGO

WORKDAY.INTL

JARO

JARFRAKCI

YEARS