<div class="raw-html-embed">	The YEARFRAC function is one of the <a href="../../docs/userguides/spreadsheet_editor/InsertFunction.aspx#datetime" onclick="onhyperlinkclick(this)">date and time functions</a>. It is used to return the fraction of a year represented by the number of whole days from start-date to end-date calculated on the specified basis.

	<h5 class="pt8">Syntax</h5>
	YEARFRAC(start_date, end_date, [basis])
	The YEARFRAC function has the following arguments:
	<table style="width: 40%">
		<tbody>
			<tr>
				<th style="background-color: #f4f4f4" width="150ch">Argument</th>
				<th style="background-color: #f4f4f4">Description</th>
			</tr>
			<tr>
				<td>start_date</td>
				<td>A number representing the first date of the period, entered using the <a href="../../functions/Date.aspx" onclick="onhyperlinkclick(this)">DATE</a> function or other date and time function.</td>
			</tr>
			<tr>
				<td>end_date</td>
				<td>A number representing the last date of the period, entered using the <a href="../../functions/Date.aspx" onclick="onhyperlinkclick(this)">DATE</a> function or other date and time function.</td>
			</tr>
			<tr>
				<td>basis</td>
				<td>The day count basis to use, a numeric value greater than or equal to 0, but less than or equal to 4. The possible values are listed in the table below.</td>
			</tr>
		</tbody>
	</table>
	The basis argument can be one of the following:
	<table style="width: 40%">
		<tbody>
			<tr>
				<th style="background-color: #f4f4f4">Numeric value</th>
				<th style="background-color: #f4f4f4">Count basis</th>
			</tr>
			<tr>
				<td>0</td>
				<td>US (NASD) 30/360</td>
			</tr>
			<tr>
				<td>1</td>
				<td>Actual/actual</td>
			</tr>
			<tr>
				<td>2</td>
				<td>Actual/360</td>
			</tr>
			<tr>
				<td>3</td>
				<td>Actual/365</td>
			</tr>
			<tr>
				<td>4</td>
				<td>European 30/360</td>
			</tr>
		</tbody>
	</table>

	<h5 class="pt8">Notes</h5>
	If the start_date, end_date or basis is a decimal value, the function will ignore the numbers to the right of the decimal point.
	<a href="../../docs/userguides/spreadsheet_editor/InsertFunction.aspx#howtoapplyfunctions_block" onclick="onhyperlinkclick(this)">How to apply</a> the YEARFRAC function.

	<h5 class="pt8">Examples</h5>
	The figure below displays the result returned by the YEARFRAC function.
	<img alt="YEARFRAC Function" src="https://static-helpcenter.teamlab.info/yearfrac_cf117f2b92.png"></div>

YEARFRAC Function

Docs

Argument	Description
*start_date*	A number representing the first date of the period, entered using the DATE function or other date and time function.
*end_date*	A number representing the last date of the period, entered using the DATE function or other date and time function.
*basis*	The day count basis to use, a numeric value greater than or equal to 0, but less than or equal to 4. The possible values are listed in the table below.

Numeric value	Count basis
0	US (NASD) 30/360
1	Actual/actual
2	Actual/360
3	Actual/365
4	European 30/360

YEARFRAC Function

Syntax

Notes

Examples

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