Delphi Basics : Yesterday command

DelphiBasics

Yesterday
Function

Gives the date yesterday

DateUtils unit

function Yesterday():TDateTime;

Description

The Yesterday function returns yesterdays date in the local time zone.

Because the return value is a TDateTime type, the time component is set to zero.

The TDateTime type can be processed by many SysUtil and Dateutils routines.(start of day).

Related commands

Date		Gives the current date
Now		Gives the current date and time
Time		Gives the current time
Tomorrow		Gives the date tomorrow

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Example code : Show yesterday, today and tomorrows dates

begin
  ShowMessage('Yesterday = '+DateToStr(Yesterday));
  ShowMessage('Today     = '+DateToStr(Date));
  ShowMessage('Tomorrow  = '+DateToStr(tomorrow));

  ShowMessage('Yesterday''s time = '+TimeToStr(Yesterday));
end;

Show full unit code

  Yesterday = 28/10/2002
  Today = 29/10/2002
  Tomorrow = 30/10/2002
  Yesterday's time = 00:00:00