IBM Lotus Symphony


YEARFRAC

YEARFRAC

The result is a number between 0 and 1, representing the fraction of a year between StartDate and EndDate.

Syntax

YEARFRAC(StartDate; EndDate; Basis)

StartDate and EndDate are two date values.

Basis is chosen from a list of options and indicates how the year is to be calculated.

Table 1. Calculation options in YEARFRAC function
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 2008 lies between 2008-01-01 and 2008-07-01?

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


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