Determine the fraction of the year.

Syntax

yearfrac( start_date, end_date, method )

start_date: (Date) The starting date.

end_date: (Date) The endng date.

method: (Date) The methodology, where 0 or omitted is US(NASD) 30/360, 1 is Actual/Actual, 2 is Actual/360, 3 is Actual/365, 4 is European 30/360.

Returns

Integer

Examples

yearfrac(today(), today() + 270, 3) returns 0.739726