WorksheetFunction.IsoWeekNum(Double, Object) Method

Reference

Definition

Namespace:: Microsoft.Office.Interop.Excel

Assembly:: Microsoft.Office.Interop.Excel.dll

Important

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Returns the ISO week number of the year for a given date.

public double IsoWeekNum (double Arg1, object Arg2);

Public Function IsoWeekNum (Arg1 As Double, Optional Arg2 As Object) As Double

Parameters

Arg1: Double

Date-time code used by Excel for date and time calculation.

Arg2: Object

This argument is not available in the function.

Returns

Double

DOUBLE

Remarks

Returns the ordinal number of the [ISO8601] calendar week in the year for the given date. ISO 8601 defines the calendar week as a time interval of seven calendar days starting with a Monday, and the first calendar week of a year as the one that includes the first Thursday of that year.

Applies to

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