[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'sysutils' (#rtl)

FormatDateTime

Return a string representation of a TDateTime value with a given format.

Declaration

Source position: datih.inc line 157

function FormatDateTime(

  const FormatStr: string;

  DateTime: TDateTime;

  Options: TFormatDateTimeOptions = []

):string;

function FormatDateTime(

  const FormatStr: string;

  DateTime: TDateTime;

  const FormatSettings: TFormatSettings;

  Options: TFormatDateTimeOptions = []

):string;

Description

FormatDateTime formats the date and time encoded in DateTime according to the formatting given in FormatStr. The complete list of formatting characters can be found in formatchars.

When the format string is empty, 'c' is used instead.

Note that on unix systems, the localization support must be enabled explicitly, see Localization.

Errors

On error (such as an invalid character in the formatting string), and EConvertError exception is raised.

See also

DateTimeToStr

  

Converts a TDateTime value to a string using a predefined format.

DateToStr

  

Converts a TDateTime value to a date string with a predefined format.

TimeToStr

  

Convert a TDateTime time to a string using a predefined format.

StrToDateTime

  

Convert a date/time string to a TDateTime value.

EConvertError

  

Conversion error.

Localization

  

Localization support

Example

Program Example14;

{ This program demonstrates the FormatDateTime function }

Uses sysutils;

Var ThisMoment : TDateTime;

Begin
  ThisMoment:=Now;
  Writeln ('Now : ',FormatDateTime('hh:nn',ThisMoment));
  Writeln ('Now : ',FormatDateTime('DD MM YYYY',ThisMoment));
  Writeln ('Now : ',FormatDateTime('c',ThisMoment));
End.

Documentation generated on: May 14 2021