| Description |
The DayOfWeek function returns an index number for the day of the week :
| 1 | = Sunday |
| 2 | = Monday |
| 3 | = Tuesday |
| 4 | = Wednesday |
| 5 | = Thursday |
| 6 | = Friday |
| 7 | = Saturday |
|
|
| Notes |
Warning : This is NOT ISO 8601 compliant.
DayOfTheWeek is ISO 8601 compliant, and uses Monday as the start of the week.
|
|
| Related commands |
| DayOfTheMonth |
|
Gives day of month index for a TDateTime value (ISO 8601) |
| DayOfTheWeek |
|
Gives day of week index for a TDateTime value (ISO 8601) |
| DayOfTheYear |
|
Gives the day of the year for a TDateTime value (ISO 8601) |
| MonthOfTheYear |
|
Gives the month of the year for a TDateTime value |
|
|
|
| Example code : Show the day of the week for Christmas 2002 |
// Full Unit code.
// -----------------------------------------------------------
// You must store this code in a unit called Unit1 with a form
// called Form1 that has an OnCreate event called FormCreate.
unit Unit1;
interface
uses
SysUtils, // Unit containing the DayOfWeek command
Forms, Dialogs;
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm} // Include form definitions
procedure TForm1.FormCreate(Sender: TObject);
var
myDate : TDateTime;
day : string;
begin
myDate := EncodeDate(2002, 12, 31);
day := LongDayNames[DayOfWeek(myDate)];
ShowMessage('Christmas day 2002 is on a '+day);
end;
end.
|
| Hide full unit code |
Christmas day 2002 is on a Tuesday
|
|