Skip to content

    NthDayOfWeek

    Calculate which occurrence of weekday in the month a given day represents.

    Declaration

    Source position: dateutil.inc line 411

    function NthDayOfWeek(const AValue: TDateTime) : Word;

    Arguments

    Name Description
    AValue Date to check.

    Function result

    Occurrence of weekday in the month of AValue.

    Description

    NthDayOfWeek returns the occurrence of the weekday of AValue in the month. This is the N-th time that this weekday occurs in the month (e.g. the third Saturday of the month).

    See also

    Name Description
    EncodeDateMonthWeek Encodes a year, month, week of month and day of week to a TDateTime value.
    #rtl.sysutils.DayOfWeek Returns the day of the week.
    DecodeDayOfWeekInMonth Decode a TDateTime value in year, month, day of week parts.
    EncodeDayOfWeekInMonth Encodes a year, month, week, day of week specification to a TDateTime value.
    TryEncodeDayOfWeekInMonth Encode a year, month, week, day of week triplet to a TDateTime value.

    Example

    Program Example104;

{ This program demonstrates the NthDayOfWeek function }

Uses SysUtils,DateUtils;

Begin
  Write('Today is the ',NthDayOfWeek(Today),'-th ');
  Writeln(formatdateTime('dddd',Today),' of the month.');
End.