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24<helpdocument version="1.0">
25<meta>
26<topic id="textsbasicshared03030101xml" indexer="include" status="PUBLISH">
27<title id="tit" xml-lang="en-US">DateSerial Function [Runtime]</title>
28<filename>/text/sbasic/shared/03030101.xhp</filename>
29</topic>
30</meta>
31<body>
32<section id="dateserial">
33<bookmark xml-lang="en-US" branch="index" id="bm_id3157896">
34<bookmark_value>DateSerial function</bookmark_value>
35</bookmark>
36<paragraph role="heading" id="hd_id3157896" xml-lang="en-US" level="1" l10n="U"><link href="text/sbasic/shared/03030101.xhp" name="DateSerial Function [Runtime]">DateSerial Function [Runtime]</link></paragraph>
37<paragraph role="paragraph" id="par_id3143267" xml-lang="en-US" l10n="U">Returns a <emph>Date</emph> value for a specified year, month, or day.</paragraph>
38</section>
39<paragraph role="heading" id="hd_id3147264" xml-lang="en-US" level="2" l10n="U">Syntax:</paragraph>
40<paragraph role="paragraph" id="par_id3149670" xml-lang="en-US" l10n="U">DateSerial (year, month, day)</paragraph>
41<paragraph role="heading" id="hd_id3150792" xml-lang="en-US" level="2" l10n="U">Return value:</paragraph>
42<paragraph role="paragraph" id="par_id3150398" xml-lang="en-US" l10n="U">Date</paragraph>
43<paragraph role="heading" id="hd_id3154141" xml-lang="en-US" level="2" l10n="U">Parameters:</paragraph>
44<paragraph role="paragraph" id="par_id3147229" xml-lang="en-US" l10n="U"><emph>Year:</emph> Integer expression that indicates a year. All values between 0 and 99 are interpreted as the years 1900-1999. For years that fall outside this range, you must enter all four digits.</paragraph>
45<paragraph role="paragraph" id="par_id3156280" xml-lang="en-US" l10n="U"><emph>Month:</emph> Integer expression that indicates the month of the specified year. The accepted range is from 1-12.</paragraph>
46<paragraph role="paragraph" id="par_id3151043" xml-lang="en-US" l10n="CHG"><emph>Day:</emph> Integer expression that indicates the day of the specified month. The accepted range is from 1-31. No error is returned when you enter a non-existing day for a month shorter than 31 days. <comment>see i69463</comment></paragraph>
47<paragraph role="paragraph" id="par_id3161832" xml-lang="en-US" l10n="U">The <emph>DateSerial function</emph> returns the number of days between December 30,1899 and the given date. You can use this function to calculate the difference between two dates.</paragraph>
48<paragraph role="paragraph" id="par_id3155306" xml-lang="en-US" l10n="U">The <emph>DateSerial function</emph> returns the data type Variant with VarType 7 (Date). Internally, this value is stored as a Double value, so that when the given date is 1.1.1900, the returned value is 2. Negative values correspond to dates before December 30, 1899 (not inclusive).</paragraph>
49<paragraph role="paragraph" id="par_id3152576" xml-lang="en-US" l10n="U">If a date is defined that lies outside of the accepted range, $[officename] Basic returns an error message.</paragraph>
50<paragraph role="paragraph" id="par_id3149481" xml-lang="en-US" l10n="U">Whereas you define the <emph>DateValue function</emph> as a string that contains the date, the <emph>DateSerial function</emph> evaluates each of the parameters (year, month, day) as separate numeric expressions.</paragraph>
51<embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
52<embed href="text/sbasic/shared/00000003.xhp#err5"/>
53<paragraph role="heading" id="hd_id3155411" xml-lang="en-US" level="2" l10n="U">Example:</paragraph>
54<paragraph role="paragraph" id="par_id3148646" xml-lang="en-US" l10n="U">Sub ExampleDateSerial</paragraph>
55<paragraph role="paragraph" id="par_id3156441" xml-lang="en-US" l10n="U">Dim lDate as Long</paragraph>
56<paragraph role="paragraph" id="par_id3154791" xml-lang="en-US" l10n="U">Dim sDate as String</paragraph>
57<paragraph role="paragraph" id="par_id3155415" xml-lang="en-US" l10n="U">lDate = DateSerial(1964, 4, 9)</paragraph>
58<paragraph role="paragraph" id="par_id3147125" xml-lang="en-US" l10n="U">sDate = DateSerial(1964, 4, 9)</paragraph>
59<paragraph role="paragraph" id="par_id3154942" xml-lang="en-US" l10n="U">msgbox lDate REM returns 23476</paragraph>
60<paragraph role="paragraph" id="par_id3151074" xml-lang="en-US" l10n="CHG">msgbox sDate REM returns 04/09/1964</paragraph>
61<paragraph role="paragraph" id="par_id3153878" xml-lang="en-US" l10n="U">end sub</paragraph>
62</body>
63</helpdocument>
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