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35		<helpdocument version="1.0">
36<meta>
37<topic id="textscalc01func_yearfracxml" indexer="include" status="PUBLISH">
38<title id="tit" xml-lang="en-US">YEARFRAC</title>
39<filename>/text/scalc/01/func_yearfrac.xhp</filename>
40</topic>
41</meta>
42<body>
43<bookmark xml-lang="en-US" branch="index" id="bm_id3148735"><bookmark_value>YEARFRAC function</bookmark_value>
44</bookmark>
45<bookmark xml-lang="en-US" branch="hid/SC_HID_AAI_FUNC_YEARFRAC" id="bm_id3149251" localize="false"/><paragraph role="heading" id="hd_id3148735" xml-lang="en-US" level="2" l10n="U" oldref="196"><variable id="yearfrac"><link href="text/scalc/01/func_yearfrac.xhp">YEARFRAC</link>
46</variable></paragraph>
47<paragraph role="paragraph" id="par_id3150899" xml-lang="en-US" l10n="U" oldref="197"><ahelp hid="HID_AAI_FUNC_YEARFRAC"> The result is a number between 0 and 1, representing the fraction of a year between <emph>StartDate</emph> and <emph>EndDate</emph>.</ahelp></paragraph>
48<paragraph role="heading" id="hd_id3155259" xml-lang="en-US" level="3" l10n="U" oldref="198">Syntax</paragraph>
49<paragraph role="code" id="par_id3155823" xml-lang="en-US" l10n="U" oldref="199">YEARFRAC(StartDate; EndDate; Basis)</paragraph>
50<paragraph role="paragraph" id="par_id3145144" xml-lang="en-US" l10n="U" oldref="200">
51<emph>StartDate</emph> and <emph>EndDate</emph> are two date values.</paragraph>
52<section id="basis">
53<paragraph role="paragraph" id="par_id3149954" xml-lang="en-US" l10n="U" oldref="201">
54<emph>Basis</emph> is chosen from a list of options and indicates how the year is to be calculated.</paragraph>
55<table id="tbl_id3145590">
56<tablerow>
57<tablecell colspan="" rowspan="">
58<paragraph role="tablehead" id="par_id3146847" xml-lang="en-US" l10n="U" oldref="202">Basis</paragraph>
59</tablecell>
60<tablecell colspan="" rowspan="">
61<paragraph role="tablehead" id="par_id3155956" xml-lang="en-US" l10n="U" oldref="203">Calculation</paragraph>
62</tablecell>
63</tablerow>
64<tablerow>
65<tablecell colspan="" rowspan="">
66<paragraph role="tablecontent" id="par_id3154502" xml-lang="en-US" l10n="U" oldref="204">0 or missing</paragraph>
67</tablecell>
68<tablecell colspan="" rowspan="">
69<paragraph role="tablecontent" id="par_id3149877" xml-lang="en-US" l10n="U" oldref="205">US method (NASD), 12 months of 30 days each</paragraph>
70</tablecell>
71</tablerow>
72<tablerow>
73<tablecell colspan="" rowspan="">
74<paragraph role="tablecontent" id="par_id3148766" xml-lang="en-US" l10n="U" oldref="250">1</paragraph>
75</tablecell>
76<tablecell colspan="" rowspan="">
77<paragraph role="tablecontent" id="par_id3154326" xml-lang="en-US" l10n="U" oldref="206">Exact number of days in months, exact number of days in year</paragraph>
78</tablecell>
79</tablerow>
80<tablerow>
81<tablecell colspan="" rowspan="">
82<paragraph role="tablecontent" id="par_id3145245" xml-lang="en-US" l10n="U" oldref="251">2</paragraph>
83</tablecell>
84<tablecell colspan="" rowspan="">
85<paragraph role="tablecontent" id="par_id3155620" xml-lang="en-US" l10n="U" oldref="207">Exact number of days in month, year has 360 days</paragraph>
86</tablecell>
87</tablerow>
88<tablerow>
89<tablecell colspan="" rowspan="">
90<paragraph role="tablecontent" id="par_id3145297" xml-lang="en-US" l10n="U" oldref="252">3</paragraph>
91</tablecell>
92<tablecell colspan="" rowspan="">
93<paragraph role="tablecontent" id="par_id3148394" xml-lang="en-US" l10n="U" oldref="208">Exact number of days in month, year has 365 days</paragraph>
94</tablecell>
95</tablerow>
96<tablerow>
97<tablecell colspan="" rowspan="">
98<paragraph role="tablecontent" id="par_id3151022" xml-lang="en-US" l10n="U" oldref="253">4</paragraph>
99</tablecell>
100<tablecell colspan="" rowspan="">
101<paragraph role="tablecontent" id="par_id3150931" xml-lang="en-US" l10n="U" oldref="209">European method, 12 months of 30 days each</paragraph>
102</tablecell>
103</tablerow>
104</table>
105</section>
106<paragraph role="heading" id="hd_id3145626" xml-lang="en-US" level="3" l10n="U" oldref="210">Example</paragraph>
107<paragraph role="paragraph" id="par_id3149007" xml-lang="en-US" l10n="CHG" oldref="211">What fraction of the year 2008 lies between 2008-01-01 and 2008-07-01?</paragraph>
108<paragraph role="code" id="par_id3154632" xml-lang="en-US" l10n="CHG" oldref="212">=YEARFRAC("2008-01-01"; "2008-07-01";0) returns 0.50.</paragraph>
109</body>
110</helpdocument>
111