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<a name="weekday"></a>
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<meta itemprop="keywords" content="WeekDay function">
<h1 id="hd_id3153127" dir="auto">
<a name="WeekDay_H1"></a>WeekDay Function</h1>
<p id="par_id3146795" class="paragraph" dir="auto">This function returns the number corresponding to the weekday represented by a serial date number that is generated by the <span class="literal">DateSerial</span> or the <span class="literal">DateValue</span> functions.</p>
<div class="note">
<div class="noteicon" dir="auto"><img src="media/icon-themes/res/helpimg/note.svg" alt="note" style="width:40px;height:40px;"></div>
<div class="notetext"><p id="par_id91620239579003" dir="auto">This help page describes the <span class="literal">WeekDay</span> function used in Basic scripts. If you are interested in the <span class="literal">WeekDay</span> function used in LibreOffice Calc, refer to <a target="_top" href="en-US/text/scalc/01/func_weekday.html">this help page</a>.</p></div>
</div>
<br>
<div class="embedded">
<a name="functsyntax"></a>
<h3 id="hd_id061420171139089682" dir="auto">Syntax:</h3>
</div>
<div class="bascode" itemscope="true" itemtype="http://schema.org/SoftwareSourceCode" itemprop="codeSampleType" content="snippet" data-tooltip="Click on text to copy to clipboard"><pre dir="auto"><code class="language-visual-basic line-numbers">
WeekDay (SerialDate, [FirstDayOfWeek])
</code></pre></div>
<div class="embedded">
<a name="functparameters"></a>
<h3 id="hd_id061420171139084157" dir="auto">Parameters:</h3>
</div>
<p id="par_id3151042" class="paragraph" dir="auto">
<span class="emph">SerialDate:</span> Integer expression that contains the serial date number that is used to calculate the day of the week.</p>
<p id="par_id351619718411921" class="paragraph" dir="auto">
<span class="emph">FirstDayOfWeek:</span> Integer value indicating which weekday should be considered as the first day of the week. The default value is <span class="emph">0</span>, meaning that the system locale settings are used to determine the first day of the week.</p>
<p id="par_id411619718769819" class="paragraph" dir="auto">The parameter <span class="emph">FirstDayOfWeek</span> accepts values ranging from 0 to 7. The table below describes the meaning of each possible value:</p>
<a name="WeekDay_constants"></a>
<table border="1" class="" cellpadding="0" cellspacing="0">
<tr>
<th rowspan="" colspan="" class="tableheadcell" dir="auto">
<p id="par_id651619719561092" class="tableheadintable" dir="auto">Value</p>
</th>
<th rowspan="" colspan="" class="tableheadcell" dir="auto">
<p id="par_id251619718816238" class="tableheadintable" dir="auto">VBA Constant</p>
</th>
<th rowspan="" colspan="" class="tableheadcell" dir="auto">
<p id="par_id711619718816238" class="tableheadintable" dir="auto">Description</p>
</th>
</tr>
<tr>
<td rowspan="" colspan="" dir="auto">
<p id="par_id731619718847838" class="tablecontentintable" dir="auto">0</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id731619718847702" class="tablecontentintable" dir="auto">vbUseSystemDayOfWeek</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id521619718818972" class="tablecontentintable" dir="auto">Use system locale settings</p>
</td>
</tr>
<tr>
<td rowspan="" colspan="" dir="auto">
<p id="par_id821619719164117" class="tablecontentintable" dir="auto">1</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id731619718847885" class="tablecontentintable" dir="auto">vbSunday</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id581619719174897" class="tablecontentintable" dir="auto">Sunday (default)</p>
</td>
</tr>
<tr>
<td rowspan="" colspan="" dir="auto">
<p id="par_id821619719164241" class="tablecontentintable" dir="auto">2</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id731619718844633" class="tablecontentintable" dir="auto">vbMonday</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id581619719173258" class="tablecontentintable" dir="auto">Monday</p>
</td>
</tr>
<tr>
<td rowspan="" colspan="" dir="auto">
<p id="par_id821619719168871" class="tablecontentintable" dir="auto">3</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id731619718840122" class="tablecontentintable" dir="auto">vbTuesday</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id581619719174633" class="tablecontentintable" dir="auto">Tuesday</p>
</td>
</tr>
<tr>
<td rowspan="" colspan="" dir="auto">
<p id="par_id821619719162897" class="tablecontentintable" dir="auto">4</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id731619718843362" class="tablecontentintable" dir="auto">vbWednesday</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id581619719173641" class="tablecontentintable" dir="auto">Wednesday</p>
</td>
</tr>
<tr>
<td rowspan="" colspan="" dir="auto">
<p id="par_id821619719168022" class="tablecontentintable" dir="auto">5</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id731619718849336" class="tablecontentintable" dir="auto">vbThursday</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id581619719170014" class="tablecontentintable" dir="auto">Thursday</p>
</td>
</tr>
<tr>
<td rowspan="" colspan="" dir="auto">
<p id="par_id821619719164776" class="tablecontentintable" dir="auto">6</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id731619718849699" class="tablecontentintable" dir="auto">vbFriday</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id581619719174271" class="tablecontentintable" dir="auto">Friday</p>
</td>
</tr>
<tr>
<td rowspan="" colspan="" dir="auto">
<p id="par_id821619719169044" class="tablecontentintable" dir="auto">7</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id731619718849001" class="tablecontentintable" dir="auto">vbSaturday</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id581619719176055" class="tablecontentintable" dir="auto">Saturday</p>
</td>
</tr>
</table>
<br>
<div class="note">
<div class="noteicon" dir="auto"><img src="media/icon-themes/res/helpimg/note.svg" alt="note" style="width:40px;height:40px;"></div>
<div class="notetext"><p id="par_id451619720094202" dir="auto">The VBA constants listed above are only available if VBA support has been enabled. For more information, read the <a target="_top" href="en-US/text/sbasic/shared/03103350.html">VBASupport Statement</a> help page.</p></div>
</div>
<br>
<div class="embedded">
<a name="functvalue"></a>
<h3 id="hd_id061420171139087480" dir="auto">Return value:</h3>
</div>
<p id="par_id3154125" class="paragraph" dir="auto">Integer</p>
<div class="embedded">
<a name="errorcode"></a>
<h3 id="hd_id3152869" dir="auto">Error codes:</h3>
</div>
<div class="embedded"><p class="embedded" dir="auto">5 Invalid procedure call</p></div>
<div class="embedded">
<a name="functexample"></a>
<h3 id="hd_id061420171139088233" dir="auto">Example:</h3>
</div>
<p id="par_id3159254" class="paragraph" dir="auto">The following example uses the function <span class="literal">Now()</span> to determine the current weekday.</p>
<div class="bascode" itemscope="true" itemtype="http://schema.org/SoftwareSourceCode" itemprop="codeSampleType" content="snippet" data-tooltip="Click on text to copy to clipboard"><pre dir="auto"><code class="language-visual-basic line-numbers">
Sub ExampleWeekDay
Dim sDay As String
' Return And display the day of the week
Select Case WeekDay( Now )
Case 1: sDay="Sunday"
Case 2: sDay="Monday"
Case 3: sDay="Tuesday"
Case 4: sDay="Wednesday"
Case 5: sDay="Thursday"
Case 6: sDay="Friday"
Case 7: sDay="Saturday"
End Select
MsgBox "" + sDay,64,"Today Is"
End Sub
</code></pre></div>
<p id="par_id891619721286262" class="paragraph" dir="auto">The following example illustrates the use <span class="emph">FirstDayOfWeek</span> parameter, assuming that Tuesday is the first day of the week.</p>
<div class="bascode" itemscope="true" itemtype="http://schema.org/SoftwareSourceCode" itemprop="codeSampleType" content="snippet" data-tooltip="Click on text to copy to clipboard"><pre dir="auto"><code class="language-visual-basic line-numbers">
Dim someDay As Long
' The date January 1st 2021 was a Friday
someDay = DateSerial(2021, 01, 01)
' Prints "6" assuming Sunday is the first day of the week
MsgBox WeekDay(someDay)
' Prints "4" assuming Tuesday is the first day of the week
MsgBox WeekDay(someDay, 3)
</code></pre></div>
<a name="relatedtopics"></a><div class="relatedtopics">
<p class="related" itemprop="mentions" dir="auto"><a name="related"></a><span class="emph">Related Topics</span>
</p>
<div class="relatedbody" itemprop="mentions">
<div class="embedded"><p class="embedded" dir="auto"><a target="_top" href="en-US/text/sbasic/shared/03030101.html">DateSerial Function</a></p></div>
<div class="embedded"><p class="embedded" dir="auto"><a target="_top" href="en-US/text/sbasic/shared/03030102.html">DateValue Function</a></p></div>
<div class="embedded"><p class="embedded" dir="auto"><a target="_top" href="en-US/text/sbasic/shared/03030203.html">Now Function</a></p></div>
<div class="embedded"><p class="embedded" dir="auto"><a target="_top" href="en-US/text/scalc/01/func_weekday.html">WEEKDAY</a> </p></div>
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