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YEARFRAC function

Returns the year fraction representing the number of whole days between start_date and end_date

Syntax

YEARFRAC(start_date, end_date, [basis])

Square brackets indicate optional arguments.

Arguments

ArgumentRequiredMeaning
start_dateYesA date that represents the start date."2012-1-1"
end_dateYesA date that represents the end date."2012-7-30"
basisNoThe type of day count basis to use.1

Try YEARFRAC

Measure a one-year actual-day fraction

=YEARFRAC(DATE(2026,1,1),DATE(2027,1,1),3)

Measure a one-year actual-day fraction. The result is checked against a separately authored expected value for the supplied table. You can edit the data to explore the rule.

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YEARFRAC · top-level call

=YEARFRAC(DATE(2026,1,1),DATE(2027,1,1),3)

1 / 3 · start_date

A date that represents the start date.

YEARFRAC reference ↗

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Reference and compatibility

Univer 1.0.4 / Apache-2.0. Calculation checks cover the supplied examples only. The browser worksheet does not implement every Excel feature, external service or connected data type.