1cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?> 2cdf0e10cSrcweir 382a1df74SAndrew Rist<!--*********************************************************** 4*1ca2cdb3Smseidel * 582a1df74SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 682a1df74SAndrew Rist * or more contributor license agreements. See the NOTICE file 782a1df74SAndrew Rist * distributed with this work for additional information 882a1df74SAndrew Rist * regarding copyright ownership. The ASF licenses this file 982a1df74SAndrew Rist * to you under the Apache License, Version 2.0 (the 1082a1df74SAndrew Rist * "License"); you may not use this file except in compliance 1182a1df74SAndrew Rist * with the License. You may obtain a copy of the License at 12*1ca2cdb3Smseidel * 1382a1df74SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 14*1ca2cdb3Smseidel * 1582a1df74SAndrew Rist * Unless required by applicable law or agreed to in writing, 1682a1df74SAndrew Rist * software distributed under the License is distributed on an 1782a1df74SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 1882a1df74SAndrew Rist * KIND, either express or implied. See the License for the 1982a1df74SAndrew Rist * specific language governing permissions and limitations 2082a1df74SAndrew Rist * under the License. 21*1ca2cdb3Smseidel * 2282a1df74SAndrew Rist ***********************************************************--> 2382a1df74SAndrew Rist 24cdf0e10cSrcweir<helpdocument version="1.0"> 25cdf0e10cSrcweir<meta> 26cdf0e10cSrcweir<topic id="textsbasicshared03030120xhp" indexer="include" status="PUBLISH"> 27cdf0e10cSrcweir<title id="tit" xml-lang="en-US">DateDiff Function [Runtime]</title> 28cdf0e10cSrcweir<filename>/text/sbasic/shared/03030120.xhp</filename> 29cdf0e10cSrcweir</topic> 30*1ca2cdb3Smseidel<comment>DateDiff</comment> 31cdf0e10cSrcweir</meta> 32cdf0e10cSrcweir<body> 33cdf0e10cSrcweir<section id="datediff"> 34cdf0e10cSrcweir<bookmark xml-lang="en-US" branch="index" id="bm_id6134830"><bookmark_value>DateDiff function</bookmark_value> 35cdf0e10cSrcweir</bookmark> 36cdf0e10cSrcweir<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> 37cdf0e10cSrcweir<paragraph role="paragraph" id="par_idN10546" xml-lang="en-US" l10n="NEW">Returns the number of date intervals between two given date values.</paragraph> 38cdf0e10cSrcweir</section> 39cdf0e10cSrcweir<paragraph role="heading" id="par_idN10549" xml-lang="en-US" level="2" l10n="NEW">Syntax:</paragraph> 40cdf0e10cSrcweir<paragraph role="paragraph" id="par_idN10648" xml-lang="en-US" l10n="NEW">DateDiff (Add, Date1, Date2 [, Week_start [, Year_start]])</paragraph> 41cdf0e10cSrcweir<paragraph role="heading" id="par_idN1064B" xml-lang="en-US" level="2" l10n="NEW">Return value:</paragraph> 42cdf0e10cSrcweir<paragraph role="paragraph" id="par_idN1064F" xml-lang="en-US" l10n="NEW">A number.</paragraph> 43cdf0e10cSrcweir<paragraph role="heading" id="par_idN10652" xml-lang="en-US" level="2" l10n="NEW">Parameters:</paragraph> 44cdf0e10cSrcweir<paragraph role="paragraph" id="par_idN10656" xml-lang="en-US" l10n="NEW"> 45cdf0e10cSrcweir<emph>Add</emph> - A string expression from the following table, specifying the date interval.</paragraph> 46cdf0e10cSrcweir<embed href="text/sbasic/shared/03030110.xhp#datetable"/> 47cdf0e10cSrcweir<paragraph role="paragraph" id="par_idN10664" xml-lang="en-US" l10n="NEW"> 48cdf0e10cSrcweir<emph>Date1, Date2</emph> - The two date values to be compared.</paragraph> 49cdf0e10cSrcweir<section id="weekyear"> 50cdf0e10cSrcweir<paragraph role="paragraph" id="par_idN1066A" xml-lang="en-US" l10n="NEW"> 51cdf0e10cSrcweir<emph>Week_start</emph> - An optional parameter that specifies the starting day of a week. </paragraph> 52cdf0e10cSrcweir<table id="tbl_id8356883"> 53cdf0e10cSrcweir<tablerow> 54cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 55cdf0e10cSrcweir<paragraph role="tablehead" id="par_idN1067A" xml-lang="en-US" l10n="NEW">Week_start value</paragraph> 56cdf0e10cSrcweir</tablecell> 57cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 58cdf0e10cSrcweir<paragraph role="tablehead" id="par_idN10680" xml-lang="en-US" l10n="NEW">Explanation</paragraph> 59cdf0e10cSrcweir</tablecell> 60cdf0e10cSrcweir</tablerow> 61cdf0e10cSrcweir<tablerow> 62cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 63cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN10687" xml-lang="en-US" l10n="NEW">0</paragraph> 64cdf0e10cSrcweir</tablecell> 65cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 66cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN1068D" xml-lang="en-US" l10n="NEW">Use system default value</paragraph> 67cdf0e10cSrcweir</tablecell> 68cdf0e10cSrcweir</tablerow> 69cdf0e10cSrcweir<tablerow> 70cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 71cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN10694" xml-lang="en-US" l10n="NEW">1</paragraph> 72cdf0e10cSrcweir</tablecell> 73cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 74cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN1069A" xml-lang="en-US" l10n="NEW">Sunday (default)</paragraph> 75cdf0e10cSrcweir</tablecell> 76cdf0e10cSrcweir</tablerow> 77cdf0e10cSrcweir<tablerow> 78cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 79cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN106A1" xml-lang="en-US" l10n="NEW">2</paragraph> 80cdf0e10cSrcweir</tablecell> 81cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 82cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN106A7" xml-lang="en-US" l10n="NEW">Monday</paragraph> 83cdf0e10cSrcweir</tablecell> 84cdf0e10cSrcweir</tablerow> 85cdf0e10cSrcweir<tablerow> 86cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 87cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN106AE" xml-lang="en-US" l10n="NEW">3</paragraph> 88cdf0e10cSrcweir</tablecell> 89cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 90cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN106B4" xml-lang="en-US" l10n="NEW">Tuesday</paragraph> 91cdf0e10cSrcweir</tablecell> 92cdf0e10cSrcweir</tablerow> 93cdf0e10cSrcweir<tablerow> 94cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 95cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN106BB" xml-lang="en-US" l10n="NEW">4</paragraph> 96cdf0e10cSrcweir</tablecell> 97cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 98cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN106C1" xml-lang="en-US" l10n="NEW">Wednesday</paragraph> 99cdf0e10cSrcweir</tablecell> 100cdf0e10cSrcweir</tablerow> 101cdf0e10cSrcweir<tablerow> 102cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 103cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN106C8" xml-lang="en-US" l10n="NEW">5</paragraph> 104cdf0e10cSrcweir</tablecell> 105cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 106cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN106CE" xml-lang="en-US" l10n="NEW">Thursday</paragraph> 107cdf0e10cSrcweir</tablecell> 108cdf0e10cSrcweir</tablerow> 109cdf0e10cSrcweir<tablerow> 110cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 111cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN106D5" xml-lang="en-US" l10n="NEW">6</paragraph> 112cdf0e10cSrcweir</tablecell> 113cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 114cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN106DB" xml-lang="en-US" l10n="NEW">Friday</paragraph> 115cdf0e10cSrcweir</tablecell> 116cdf0e10cSrcweir</tablerow> 117cdf0e10cSrcweir<tablerow> 118cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 119cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN106E2" xml-lang="en-US" l10n="NEW">7</paragraph> 120cdf0e10cSrcweir</tablecell> 121cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 122cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN106E8" xml-lang="en-US" l10n="NEW">Saturday</paragraph> 123cdf0e10cSrcweir</tablecell> 124cdf0e10cSrcweir</tablerow> 125cdf0e10cSrcweir</table> 126cdf0e10cSrcweir<paragraph role="paragraph" id="par_idN106EB" xml-lang="en-US" l10n="NEW"> 127cdf0e10cSrcweir<emph>Year_start</emph> - An optional parameter that specifies the starting week of a year. </paragraph> 128cdf0e10cSrcweir<table id="tbl_id1173436"> 129cdf0e10cSrcweir<tablerow> 130cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 131cdf0e10cSrcweir<paragraph role="tablehead" id="par_idN106FB" xml-lang="en-US" l10n="NEW">Year_start value</paragraph> 132cdf0e10cSrcweir</tablecell> 133cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 134cdf0e10cSrcweir<paragraph role="tablehead" id="par_idN10701" xml-lang="en-US" l10n="NEW">Explanation</paragraph> 135cdf0e10cSrcweir</tablecell> 136cdf0e10cSrcweir</tablerow> 137cdf0e10cSrcweir<tablerow> 138cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 139cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN10708" xml-lang="en-US" l10n="NEW">0</paragraph> 140cdf0e10cSrcweir</tablecell> 141cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 142cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN1070E" xml-lang="en-US" l10n="NEW">Use system default value</paragraph> 143cdf0e10cSrcweir</tablecell> 144cdf0e10cSrcweir</tablerow> 145cdf0e10cSrcweir<tablerow> 146cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 147cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN10715" xml-lang="en-US" l10n="NEW">1</paragraph> 148cdf0e10cSrcweir</tablecell> 149cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 150cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN1071B" xml-lang="en-US" l10n="NEW">Week 1 is the week with January, 1st (default)</paragraph> 151cdf0e10cSrcweir</tablecell> 152cdf0e10cSrcweir</tablerow> 153cdf0e10cSrcweir<tablerow> 154cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 155cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN10722" xml-lang="en-US" l10n="NEW">2</paragraph> 156cdf0e10cSrcweir</tablecell> 157cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 158cdf0e10cSrcweir<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> 159cdf0e10cSrcweir</tablecell> 160cdf0e10cSrcweir</tablerow> 161cdf0e10cSrcweir<tablerow> 162cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 163cdf0e10cSrcweir<paragraph role="tablecontent" id="par_idN1072F" xml-lang="en-US" l10n="NEW">3</paragraph> 164cdf0e10cSrcweir</tablecell> 165cdf0e10cSrcweir<tablecell colspan="" rowspan=""> 166cdf0e10cSrcweir<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> 167cdf0e10cSrcweir</tablecell> 168cdf0e10cSrcweir</tablerow> 169cdf0e10cSrcweir</table> 170cdf0e10cSrcweir</section> 171cdf0e10cSrcweir<paragraph role="heading" id="par_idN10738" xml-lang="en-US" level="2" l10n="NEW">Example:</paragraph> 172cdf0e10cSrcweir<paragraph role="code" id="par_idN1073C" xml-lang="en-US" l10n="NEW">Sub example_datediff</paragraph> 173cdf0e10cSrcweir<paragraph role="code" id="par_idN1073F" xml-lang="en-US" l10n="NEW">msgbox DateDiff("d", "1/1/2005", "12/31/2005")</paragraph> 174cdf0e10cSrcweir<paragraph role="code" id="par_idN10742" xml-lang="en-US" l10n="NEW">End Sub</paragraph> 175cdf0e10cSrcweir</body> 176cdf0e10cSrcweir</helpdocument> 177