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27<helpdocument version="1.0">
28<meta>
29<topic id="textscalcguidecalc_timevaluesxml" indexer="include" status="PUBLISH">
30<title id="tit" xml-lang="en-US">Calculating Time Differences</title>
31<filename>/text/scalc/guide/calc_timevalues.xhp</filename>
32</topic>
33<history>
34<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
35<lastedited date="2004-09-27T11:58:54">converted from old format - fpe</lastedited>
36</history>
37</meta>
38<body>
39<bookmark xml-lang="en-US" branch="index" id="bm_id3150769"><bookmark_value>calculating;time differences</bookmark_value>
40<bookmark_value>time differences</bookmark_value>
41</bookmark>
42<paragraph role="heading" id="hd_id3150769" xml-lang="en-US" level="1" l10n="U" oldref="53"><variable id="calc_timevalues"><link href="text/scalc/guide/calc_timevalues.xhp" name="Calculating Time Differences">Calculating Time Differences</link>
43</variable></paragraph>
44<paragraph role="paragraph" id="par_id3149263" xml-lang="en-US" l10n="U" oldref="54">If you want to calculate time differences, for example, the time between 23:30 and 01:10 in the same night, use the following formula:</paragraph>
45<paragraph role="paragraph" id="par_id3159153" xml-lang="en-US" l10n="U" oldref="55">=(B2&lt;A2)+B2-A2</paragraph>
46<paragraph role="paragraph" id="par_id3152598" xml-lang="en-US" l10n="U" oldref="56">The later time is B2 and the earlier time is A2. The result of the example is 01:40 or 1 hour and 40 minutes.</paragraph>
47<paragraph role="paragraph" id="par_id3145271" xml-lang="en-US" l10n="U" oldref="57">In the formula, an entire 24-hour day has a value of 1 and one hour has a value of 1/24. The logical value in parentheses is 0 or 1, corresponding to 0 or 24 hours. The result returned by the formula is automatically issued in time format due to the sequence of the operands.</paragraph>
48<section id="relatedtopics">
49<embed href="text/scalc/guide/calc_date.xhp#calc_date"/>
50</section>
51</body>
52</helpdocument>
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