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<h1 id="hd_id3155511" dir="auto">
<a name="datedif"></a>DATEDIF</h1>
<p id="par_id3153551" class="paragraph" dir="auto"><span class="avis">This function returns the number of whole days, months or years between Start date and End date.</span></p>
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<a name="3.6"></a>
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<div class="notetext"><p id="par_id651551401041636" dir="auto">This function is available since LibreOffice 3.6.</p></div>
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<div class="notetext"><p id="hd_id1000010" dir="auto">This function is part of the Open Document Format for Office Applications (OpenDocument) standard Version 1.2. (ISO/IEC 26300:2-2015)</p></div>
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<h3 id="hd_id126511265112651" dir="auto">Syntax</h3>
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<p id="par_id531642776283977" class="paragraph" dir="auto">
<span class="input" data-tooltip="Click on text to copy to clipboard">DATEDIF(Start date; End date; Interval)</span>
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<p id="par_id3152815" class="paragraph" dir="auto">
<span class="emph">Start date</span> is the date from when the calculation is carried out.</p>
<p id="par_id3155817" class="paragraph" dir="auto">
<span class="emph">End date</span> is the date until the calculation is carried out. End date must be later, than Start date.</p>
<p id="par_id3153183" class="paragraph" dir="auto">
<span class="emph">Interval</span> is a string that determines how the difference will be calculated. Possible values are "d", "m", "y", "ym", "md" or "yd" regardless of the current language settings.</p>
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<div class="notetext"><p id="par_id3150654" dir="auto">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.</p></div>
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<div class="notetext"><p id="par_id571535118151091" dir="auto">Unambiguous conversion is possible for ISO 8601 dates and times in their extended formats with separators. If a <span class="emph">#VALUE!</span> error occurs, then unselect <span class="emph">Generate #VALUE! error</span> in <span id="swlnsystextscalc0104060102xml_3" class="switchinline"><span hidden="true" id="MACtextscalc0104060102xml_3" class="MAC"><span class="emph">LibreOffice - Preferences</span></span><span hidden="true" id="defaulttextscalc0104060102xml_3"><span class="emph">Tools - Options</span></span></span> <span class="emph">- LibreOffice Calc - Formula</span>, button <span class="emph">Details...</span> in section "Detailed Calculation Settings", <span class="emph">Conversion from text to number</span> list box.</p></div>
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<p id="par_id5735953" class="tableheadintable" dir="auto">Value for "Interval"</p>
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<p id="par_id8360850" class="tableheadintable" dir="auto">Return value</p>
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<p id="par_id9648731" class="tablecontentintable" dir="auto">"d"</p>
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<td rowspan="" colspan="" dir="auto">
<p id="par_id908841" class="tablecontentintable" dir="auto">Number of whole days between Start date and End date.</p>
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<td rowspan="" colspan="" dir="auto">
<p id="par_id8193914" class="tablecontentintable" dir="auto">"m"</p>
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<td rowspan="" colspan="" dir="auto">
<p id="par_id9841608" class="tablecontentintable" dir="auto">Number of whole months between Start date and End date.</p>
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<p id="par_id2701803" class="tablecontentintable" dir="auto">"y"</p>
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<p id="par_id2136295" class="tablecontentintable" dir="auto">Number of whole years between Start date and End date.</p>
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<td rowspan="" colspan="" dir="auto">
<p id="par_id9200109" class="tablecontentintable" dir="auto">"ym"</p>
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<td rowspan="" colspan="" dir="auto">
<p id="par_id4186223" class="tablecontentintable" dir="auto">Number of whole months when subtracting years from the difference of Start date and End date.</p>
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<td rowspan="" colspan="" dir="auto">
<p id="par_id5766472" class="tablecontentintable" dir="auto">"md"</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id1491134" class="tablecontentintable" dir="auto">Number of whole days when subtracting years and months from the difference of Start date and End date.</p>
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<td rowspan="" colspan="" dir="auto">
<p id="par_id5866472" class="tablecontentintable" dir="auto">"yd"</p>
</td>
<td rowspan="" colspan="" dir="auto">
<p id="par_id1591134" class="tablecontentintable" dir="auto">Number of whole days when subtracting years from the difference of Start date and End date.</p>
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<a name="func_head_example"></a>
<h3 id="hd_id980889808898088" dir="auto">Examples</h3>
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<p id="par_id3152589" class="paragraph" dir="auto">
Birthday calculation. A man was born on 1974-04-17. Today is 2012-06-13.</p>
<p id="par_id3252589" class="paragraph" dir="auto"><span class="input" data-tooltip="Click on text to copy to clipboard">=DATEDIF("1974-04-17";"2012-06-13";"y")</span> yields 38.</p>
<p id="par_id451535132395328" class="paragraph" dir="auto"><span class="input" data-tooltip="Click on text to copy to clipboard">=DATEDIF("1974-04-17";"2012-06-13";"ym")</span> yields 1.</p>
<p id="par_id611535132402642" class="paragraph" dir="auto"><span class="input" data-tooltip="Click on text to copy to clipboard">=DATEDIF("1974-04-17";"2012-06-13";"md")</span> yields 27.</p>
<p id="par_id511535132411940" class="paragraph" dir="auto">So he is 38 years, 1 month and 27 days old.</p>
<p id="par_id3352589" class="paragraph" dir="auto">
<span class="input" data-tooltip="Click on text to copy to clipboard">=DATEDIF(DATE(1974,4,17);"2012-06-13";"m")</span> yields 457, he has been living for 457 months.</p>
<p id="par_id3452589" class="paragraph" dir="auto">
<span class="input" data-tooltip="Click on text to copy to clipboard">=DATEDIF("1974-04-17";"2012-06-13";"d")</span> yields 13937, he has been living for 13937 days.</p>
<p id="par_id3752589" class="paragraph" dir="auto">
<span class="input" data-tooltip="Click on text to copy to clipboard">=DATEDIF("1974-04-17";DATE(2012;06;13);"yd")</span> yields 57, his birthday was 57 days ago.</p>
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<p class="related" itemprop="mentions" dir="auto"><a name="related"></a><span class="emph">Related Topics</span>
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<div class="notetext"><p id="par_id311677016639702" dir="auto"><a target="_blank" href="https://wiki.documentfoundation.org/Documentation/Calc_Functions/DATEDIF">DATEDIF wiki page</a>.</p></div>
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<div class="embedded">
<a name="datetimefunctions"></a>
<p id="par_id31577531529079" class="paragraph" dir="auto">Date & Time Functions</p>
<p id="par_id6854457" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_date.html">DATE</a>
</p>
<p id="par_id6354457" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_datedif.html">DATEDIF</a> </p>
<p id="par_id3372295" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_datevalue.html">DATEVALUE</a> </p>
<p id="par_id5375835" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_day.html">DAY</a>
</p>
<p id="par_id1208838" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_days.html">DAYS</a>
</p>
<p id="par_id7679982" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_days360.html">DAYS360</a>
</p>
<p id="par_id591683136920655" class="paragraph" dir="auto"><a target="_top" href="en-US/text/scalc/01/04060111.html#daysinmonth">DAYSINMONTH</a></p>
<p id="par_id661683136902973" class="paragraph" dir="auto"><a target="_top" href="en-US/text/scalc/01/04060111.html#daysinyear">DAYSINYEAR</a></p>
<p id="par_id1074251" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_eastersunday.html">EASTERSUNDAY</a>
</p>
<p id="par_id5684377" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_edate.html">EDATE</a>
</p>
<p id="par_id1346781" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_eomonth.html">EOMONTH</a>
</p>
<p id="par_id224005" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_hour.html">HOUR</a>
</p>
<p id="par_id81683136801600" class="paragraph" dir="auto"><a target="_top" href="en-US/text/scalc/01/04060111.html#isleapyear">ISLEAPYEAR</a></p>
<p id="par_id3886533" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_isoweeknum.html">ISOWEEKNUM</a>
</p>
<p id="par_id3953062" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_minute.html">MINUTE</a>
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<p id="par_id2579729" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_month.html">MONTH</a>
</p>
<p id="par_id311683136864113" class="paragraph" dir="auto"><a target="_top" href="en-US/text/scalc/01/04060111.html#months">MONTHS</a></p>
<p id="par_id8951384" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_networkdays.html">NETWORKDAYS</a> </p>
<p id="par_id231020162315043955" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_networkdays.intl.html">NETWORKDAYS.INTL</a> </p>
<p id="par_id6501968" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_now.html">NOW</a>
</p>
<p id="par_id372325" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_second.html">SECOND</a>
</p>
<p id="par_id2354503" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_time.html">TIME</a>
</p>
<p id="par_id7765434" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_timevalue.html">TIMEVALUE</a> </p>
<p id="par_id7576525" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_today.html">TODAY</a>
</p>
<p id="par_id9172643" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_weekday.html">WEEKDAY</a> </p>
<p id="par_id3886532" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_weeknum.html">WEEKNUM</a>
</p>
<p id="par_id614947" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_weeknumadd.html">WEEKNUM_EXCEL2003</a>
</p>
<p id="par_id3886534" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_weeknum_ooo.html">WEEKNUM_OOO</a>
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<p id="par_id191683136968172" class="paragraph" dir="auto"><a target="_top" href="en-US/text/scalc/01/04060111.html#daysinmonth">WEEKS</a></p>
<p id="par_id511683136985322" class="paragraph" dir="auto"><a target="_top" href="en-US/text/scalc/01/04060111.html#weeksinyear">WEEKSINYEAR</a></p>
<p id="par_idN10683" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_workday.html">WORKDAY</a> </p>
<p id="par_id231020163315043955" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_workday.intl.html">WORKDAY.INTL</a> </p>
<p id="par_id641193" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_year.html">YEAR</a>
</p>
<p id="par_id5189062" class="paragraph" dir="auto"> <a target="_top" href="en-US/text/scalc/01/func_yearfrac.html">YEARFRAC</a> </p>
<p id="par_id81683136834196" class="paragraph" dir="auto"><a target="_top" href="en-US/text/scalc/01/04060111.html#years">YEARS</a></p>
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