\<bookmark_value\>YEARFRAC function\</bookmark_value\>

YEARFRAC

The result is the number of the years (including fractional part) between StartDate and EndDate.

Syntax

YEARFRAC (Start date;End date;Basis)

\<emph\>Start date\</emph\> and \<emph\>end date\</emph\>: two date values.

\<emph\>Basis\</emph\>: is chosen from a list of options and indicates how the year is to be calculated.

Basis

Calculation

0 or missing

US method (NASD), 12 months of 30 days each

1

Exact number of days in months, exact number of days in year

2

Exact number of days in month, year has 360 days

3

Exact number of days in month, year has 365 days

4

European method, 12 months of 30 days each


Example:

What fraction of the year 2001 lies between 1.1.2002 and 7.1.2001?

=YEARFRAC("1.1.2002"; "7.1.2002";1) returns 0.495890.