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If not, see 26 * <http://www.openoffice.org/license.html> 27 * for a copy of the LGPLv3 License. 28 * 29 ************************************************************************--> 30 31<helpdocument version="1.0"> 32<meta> 33<topic id="textsbasicshared03030120xhp" indexer="include" status="PUBLISH"> 34<title id="tit" xml-lang="en-US">DateDiff Function [Runtime]</title> 35<filename>/text/sbasic/shared/03030120.xhp</filename> 36</topic> 37<history> 38<created date="2005-04-25T13:20:42">DateDiff</created> 39<lastedited date="2005-04-26T10:55:34">checked</lastedited> 40</history> 41</meta> 42<body> 43<section id="datediff"> 44<bookmark xml-lang="en-US" branch="index" id="bm_id6134830"><bookmark_value>DateDiff function</bookmark_value> 45</bookmark> 46<paragraph role="heading" id="par_idN10542" xml-lang="en-US" level="1" l10n="NEW"><link href="text/sbasic/shared/03030120.xhp">DateDiff Function [Runtime]</link></paragraph> 47<paragraph role="paragraph" id="par_idN10546" xml-lang="en-US" l10n="NEW">Returns the number of date intervals between two given date values.</paragraph> 48</section> 49<paragraph role="heading" id="par_idN10549" xml-lang="en-US" level="2" l10n="NEW">Syntax:</paragraph> 50<paragraph role="paragraph" id="par_idN10648" xml-lang="en-US" l10n="NEW">DateDiff (Add, Date1, Date2 [, Week_start [, Year_start]])</paragraph> 51<paragraph role="heading" id="par_idN1064B" xml-lang="en-US" level="2" l10n="NEW">Return value:</paragraph> 52<paragraph role="paragraph" id="par_idN1064F" xml-lang="en-US" l10n="NEW">A number.</paragraph> 53<paragraph role="heading" id="par_idN10652" xml-lang="en-US" level="2" l10n="NEW">Parameters:</paragraph> 54<paragraph role="paragraph" id="par_idN10656" xml-lang="en-US" l10n="NEW"> 55<emph>Add</emph> - A string expression from the following table, specifying the date interval.</paragraph> 56<embed href="text/sbasic/shared/03030110.xhp#datetable"/> 57<paragraph role="paragraph" id="par_idN10664" xml-lang="en-US" l10n="NEW"> 58<emph>Date1, Date2</emph> - The two date values to be compared.</paragraph> 59<section id="weekyear"> 60<paragraph role="paragraph" id="par_idN1066A" xml-lang="en-US" l10n="NEW"> 61<emph>Week_start</emph> - An optional parameter that specifies the starting day of a week. </paragraph> 62<table id="tbl_id8356883"> 63<tablerow> 64<tablecell colspan="" rowspan=""> 65<paragraph role="tablehead" id="par_idN1067A" xml-lang="en-US" l10n="NEW">Week_start value</paragraph> 66</tablecell> 67<tablecell colspan="" rowspan=""> 68<paragraph role="tablehead" id="par_idN10680" xml-lang="en-US" l10n="NEW">Explanation</paragraph> 69</tablecell> 70</tablerow> 71<tablerow> 72<tablecell colspan="" rowspan=""> 73<paragraph role="tablecontent" id="par_idN10687" xml-lang="en-US" l10n="NEW">0</paragraph> 74</tablecell> 75<tablecell colspan="" rowspan=""> 76<paragraph role="tablecontent" id="par_idN1068D" xml-lang="en-US" l10n="NEW">Use system default value</paragraph> 77</tablecell> 78</tablerow> 79<tablerow> 80<tablecell colspan="" rowspan=""> 81<paragraph role="tablecontent" id="par_idN10694" xml-lang="en-US" l10n="NEW">1</paragraph> 82</tablecell> 83<tablecell colspan="" rowspan=""> 84<paragraph role="tablecontent" id="par_idN1069A" xml-lang="en-US" l10n="NEW">Sunday (default)</paragraph> 85</tablecell> 86</tablerow> 87<tablerow> 88<tablecell colspan="" rowspan=""> 89<paragraph role="tablecontent" id="par_idN106A1" xml-lang="en-US" l10n="NEW">2</paragraph> 90</tablecell> 91<tablecell colspan="" rowspan=""> 92<paragraph role="tablecontent" id="par_idN106A7" xml-lang="en-US" l10n="NEW">Monday</paragraph> 93</tablecell> 94</tablerow> 95<tablerow> 96<tablecell colspan="" rowspan=""> 97<paragraph role="tablecontent" id="par_idN106AE" xml-lang="en-US" l10n="NEW">3</paragraph> 98</tablecell> 99<tablecell colspan="" rowspan=""> 100<paragraph role="tablecontent" id="par_idN106B4" xml-lang="en-US" l10n="NEW">Tuesday</paragraph> 101</tablecell> 102</tablerow> 103<tablerow> 104<tablecell colspan="" rowspan=""> 105<paragraph role="tablecontent" id="par_idN106BB" xml-lang="en-US" l10n="NEW">4</paragraph> 106</tablecell> 107<tablecell colspan="" rowspan=""> 108<paragraph role="tablecontent" id="par_idN106C1" xml-lang="en-US" l10n="NEW">Wednesday</paragraph> 109</tablecell> 110</tablerow> 111<tablerow> 112<tablecell colspan="" rowspan=""> 113<paragraph role="tablecontent" id="par_idN106C8" xml-lang="en-US" l10n="NEW">5</paragraph> 114</tablecell> 115<tablecell colspan="" rowspan=""> 116<paragraph role="tablecontent" id="par_idN106CE" xml-lang="en-US" l10n="NEW">Thursday</paragraph> 117</tablecell> 118</tablerow> 119<tablerow> 120<tablecell colspan="" rowspan=""> 121<paragraph role="tablecontent" id="par_idN106D5" xml-lang="en-US" l10n="NEW">6</paragraph> 122</tablecell> 123<tablecell colspan="" rowspan=""> 124<paragraph role="tablecontent" id="par_idN106DB" xml-lang="en-US" l10n="NEW">Friday</paragraph> 125</tablecell> 126</tablerow> 127<tablerow> 128<tablecell colspan="" rowspan=""> 129<paragraph role="tablecontent" id="par_idN106E2" xml-lang="en-US" l10n="NEW">7</paragraph> 130</tablecell> 131<tablecell colspan="" rowspan=""> 132<paragraph role="tablecontent" id="par_idN106E8" xml-lang="en-US" l10n="NEW">Saturday</paragraph> 133</tablecell> 134</tablerow> 135</table> 136 137<paragraph role="paragraph" id="par_idN106EB" xml-lang="en-US" l10n="NEW"> 138<emph>Year_start</emph> - An optional parameter that specifies the starting week of a year. </paragraph> 139<table id="tbl_id1173436"> 140<tablerow> 141<tablecell colspan="" rowspan=""> 142<paragraph role="tablehead" id="par_idN106FB" xml-lang="en-US" l10n="NEW">Year_start value</paragraph> 143</tablecell> 144<tablecell colspan="" rowspan=""> 145<paragraph role="tablehead" id="par_idN10701" xml-lang="en-US" l10n="NEW">Explanation</paragraph> 146</tablecell> 147</tablerow> 148<tablerow> 149<tablecell colspan="" rowspan=""> 150<paragraph role="tablecontent" id="par_idN10708" xml-lang="en-US" l10n="NEW">0</paragraph> 151</tablecell> 152<tablecell colspan="" rowspan=""> 153<paragraph role="tablecontent" id="par_idN1070E" xml-lang="en-US" l10n="NEW">Use system default value</paragraph> 154</tablecell> 155</tablerow> 156<tablerow> 157<tablecell colspan="" rowspan=""> 158<paragraph role="tablecontent" id="par_idN10715" xml-lang="en-US" l10n="NEW">1</paragraph> 159</tablecell> 160<tablecell colspan="" rowspan=""> 161<paragraph role="tablecontent" id="par_idN1071B" xml-lang="en-US" l10n="NEW">Week 1 is the week with January, 1st (default)</paragraph> 162</tablecell> 163</tablerow> 164<tablerow> 165<tablecell colspan="" rowspan=""> 166<paragraph role="tablecontent" id="par_idN10722" xml-lang="en-US" l10n="NEW">2</paragraph> 167</tablecell> 168<tablecell colspan="" rowspan=""> 169<paragraph role="tablecontent" id="par_idN10728" xml-lang="en-US" l10n="NEW">Week 1 is the first week containing four or more days of that year</paragraph> 170</tablecell> 171</tablerow> 172<tablerow> 173<tablecell colspan="" rowspan=""> 174<paragraph role="tablecontent" id="par_idN1072F" xml-lang="en-US" l10n="NEW">3</paragraph> 175</tablecell> 176<tablecell colspan="" rowspan=""> 177<paragraph role="tablecontent" id="par_idN10735" xml-lang="en-US" l10n="NEW">Week 1 is the first week containing only days of the new year</paragraph> 178</tablecell> 179</tablerow> 180</table> 181 182</section> 183<paragraph role="heading" id="par_idN10738" xml-lang="en-US" level="2" l10n="NEW">Example:</paragraph> 184<paragraph role="code" id="par_idN1073C" xml-lang="en-US" l10n="NEW">Sub example_datediff</paragraph> 185<paragraph role="code" id="par_idN1073F" xml-lang="en-US" l10n="NEW">msgbox DateDiff("d", "1/1/2005", "12/31/2005")</paragraph> 186<paragraph role="code" id="par_idN10742" xml-lang="en-US" l10n="NEW">End Sub</paragraph> 187</body> 188</helpdocument> 189