YEARFRAC
The result is the number of the years (including fractional part) between StartDate and EndDate.
Syntax
YEARFRAC(StartDate; EndDate; Basis)
StartDate and EndDate are two date values.
Basis (optional) 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 2008 lies between 2008-01-01 and 2008-07-01?
=YEARFRAC("2008-01-01"; "2008-07-01";0) returns 0.50.