YEARFRAC

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

Syntax

YEARFRAC (Start date;End date;Basis)

Start date and end date: two date values.

Basis: 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


Examples

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

=YEARFRAC("2008-01-01"; "2008-07-01";0) returns 0.50.