Calculate which occurrence of weekday in the month a given day represents.
Source position: dateutil.inc line 400
function NthDayOfWeek( |
const AValue: TDateTime |
):Word; |
AValue |
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Date to check. |
Occurrence of weekday in the month of AValue.
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).
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Encodes a year, month, week of month and day of week to a TDateTime value. |
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Returns the day of the week. |
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Decode a TDateTime value in year, month, day of week parts. |
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Encodes a year, month, week, day of week specification to a TDateTime value. |
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Encode a year, month, week, day of week triplet to a TDateTime value. |
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.