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  • Validity of the date
  • Date format
  • Special case: is not specified
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Stored procedures
Formats the specified date into the specified format.
Tip: If the formatted date contains the "/" characters, it must not be displayed it in a Date edit control.
Example
MyDate is Date
MyDate = "20191225"
Res = MyDate.ToString()
// Res = "25/12/2019"
 
Res = MyDate.ToString("MM-DD-YYYY")
// Res = "12-25-2019"
 
Res = MyDate.ToString("The number of day DD of month MM of year YYYY")
 
MyDate = DateSys()
Res = MyDate.ToString(maskDateSystem)
// Res is using the format defined in the project
MyDate is Date
MyDate = "20031202"
// The case used for the days and for the months depends on the linguistic options of the project
Res = MyDate.ToString("DDD DD MMM YYYY")
// Res = "tue. 02 dec. 2003" or "Tue. 02 Dec. 2003"
 
Res = MyDate.ToString("DDDD DD MMMM YYYY")
// Res = "tuesday 02 december 2003" or "Tuesday 02 December 2003"
 
// The case used for the days and for the months is forced with an uppercase character
Res = MyDate.ToString("Ddd DD Mmm YYYY") // Res = "Tue. 02 Dec. 2003"
Res = MyDate.ToString("Dddd DD Mmmm YYYY") // Res = "Tuesday 02 December 2003"
MyDate is Date
MyDate = "20191125"
Res = MyDate.ToString(maskDateEmail)
// Returns "Mon, 25 Nov 2019 00:00:00 +0100"
 
Res = MyDate.ToString(maskDateEmail)  
// Returns "Sun, 25 Aug 2019 00:00:00 +0200"
MyDate is Date
MyDate = "20121125"
Res = MyDate.ToString(maskDateEmail)
// Returns "Sun, 25 Nov 2012 00:00:00 +0100"
 
Res = MyDate.ToString(maskDateEmail)  
// Returns "Sat, 25 Aug 2012 00:00:00 +0200"
MyDate is Date
MyDate = "20130101"
// The date is 01/22/2013
Res = MyDate.ToString(maskDateRelativeDuration)
// Returns: 3 weeks ago
 
Res = MyDate.ToString(maskDateRelativeDuration)
// Returns: in 10 months
 
Res = MyDate.ToString(maskDateRelativeDuration)
// Returns: last week
Syntax

Converting a date into string Hide the details

<Result> = <Date>.ToString([<Format>])
<Result>: Character string
Character string in the specified format.
<Date>: Date variable
Name of the Date variable to convert.
<Format>: Optional character string
Format of the converted date. This parameter can contain a word, a sentence, ... The specific characters representing the different elements of the date (YYYY, YY, MM or DD) will be automatically replaced by their value identified in the <Date> string. In this string, the characters:
  • YYYY represent the year on 4 digits,
  • YY represent the year on 2 digits.
  • M represents the month (no zero is displayed in front of the month number),
  • MM represent the month on 2 digits,
  • MMM represent the month in letters on 3 characters (for example: jan). The case used depends on the linguistic options of project.
    WEBDEV - Browser code This notation is not available in browser code.
  • Versions 16 and later
    Mmm represent the month in letters on 3 characters with the first letter forced in uppercase (for example: Jan)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    New in version 16
    Mmm represent the month in letters on 3 characters with the first letter forced in uppercase (for example: Jan)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    Mmm represent the month in letters on 3 characters with the first letter forced in uppercase (for example: Jan)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    PHP This notation is not available.
  • Versions 16 and later
    mmm represent the month in letters on 3 characters with the first letter forced in lowercase (for example: jan)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    New in version 16
    mmm represent the month in letters on 3 characters with the first letter forced in lowercase (for example: jan)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    mmm represent the month in letters on 3 characters with the first letter forced in lowercase (for example: jan)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    PHP This notation is not available.
  • MMMM represent the full month in letters (for example: January). The case used depends on the linguistic options of project.
    WEBDEV - Browser code This notation is not available in browser code.
    • Versions 16 and later
      Mmmm represent the full month in letters with the first letter forced in uppercase (for example: January)
      WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
      New in version 16
      Mmmm represent the full month in letters with the first letter forced in uppercase (for example: January)
      WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
      Mmmm represent the full month in letters with the first letter forced in uppercase (for example: January)
      WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    PHP This notation is not available.
  • Versions 16 and later
    mmmm represent the full month in letters with the first letter forced in lowercase (for example: January)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    New in version 16
    mmmm represent the full month in letters with the first letter forced in lowercase (for example: January)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    mmmm represent the full month in letters with the first letter forced in lowercase (for example: January)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    PHP This notation is not available.
  • D represents the day (no zero is displayed in front of the day number),
  • DD represent the day on 2 digits,
  • DDD represent the day in letters on 3 characters (for example: Mon). The case used depends on the linguistic options of project.
    WEBDEV - Browser code This notation is not available in browser code.
  • Versions 16 and later
    Ddd represent the day in letters on 3 characters with the first letter forced in uppercase (for example: Mon)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    New in version 16
    Ddd represent the day in letters on 3 characters with the first letter forced in uppercase (for example: Mon)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    Ddd represent the day in letters on 3 characters with the first letter forced in uppercase (for example: Mon)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    PHP This notation is not available.
  • Versions 16 and later
    ddd represent the day in letters on 3 characters with the first letter forced in lowercase (for example: Mon)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    New in version 16
    ddd represent the day in letters on 3 characters with the first letter forced in lowercase (for example: Mon)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    ddd represent the day in letters on 3 characters with the first letter forced in lowercase (for example: Mon)
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    PHP This notation is not available.
  • DDDD represent the full day in letters (for example: monday). The case used depends on the linguistic options of project.
    WEBDEV - Browser code This notation is not available in browser code.
  • Versions 16 and later
    Dddd represent the full day in letters with the first letter forced in uppercase (for example: Monday).
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    New in version 16
    Dddd represent the full day in letters with the first letter forced in uppercase (for example: Monday).
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    Dddd represent the full day in letters with the first letter forced in uppercase (for example: Monday).
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    PHP This notation is not available.
  • Versions 16 and later
    dddd represent the full day in letters with the first letter forced in lowercase (for example: monday).
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    New in version 16
    dddd represent the full day in letters with the first letter forced in lowercase (for example: monday).
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    dddd represent the full day in letters with the first letter forced in lowercase (for example: monday).
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    PHP This notation is not available.
  • Versions 16 and later
    M represents the first letter of the day (for example: M,T,W,T,F,S,S).
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    New in version 16
    M represents the first letter of the day (for example: M,T,W,T,F,S,S).
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
    M represents the first letter of the day (for example: M,T,W,T,F,S,S).
    WEBDEV - Browser codeAndroidAndroid Widget JavaPHP This notation is not available. AndroidAndroid Widget JavaPHP This notation is not available.
If this parameter corresponds to the following constant:
Versions 18 and later
maskDateRelativeDuration
New in version 18
maskDateRelativeDuration
maskDateRelativeDuration
This format is used to express the duration passed (or the future duration) between the today's date and the specified date. This format is expressed in natural en language. The different formulations used can be configured in the project description for the current language:
  1. On the "Project" pane, in the "Project" group, click "Description".
  2. In the "Languages" tab:
    • select the language to configure.
    • select the "Date" tab.
  3. Click the "Dates and Times in natural language" button.
  4. Define (if necessary) the custom captions to use. These captions will be used:
    • for the result of <Date type>.ToString.
    • for the controls that use the "Relative duration" display mask.
WEBDEV - Browser code Not available.
Versions 16 and later
maskEmailDate
New in version 16
maskEmailDate
maskEmailDate
The format used corresponds to the date format of the RFC-5322 standard used to encrypt an email, a RSS stream, ...
The result is expressed in the local time zone.
WEBDEV - Browser codeAndroidJavaPHP Not available.
Versions 25 and later
maskDateEmailUTC
New in version 25
maskDateEmailUTC
maskDateEmailUTC
The format used corresponds to the date format of the RFC-5322 standard used to encrypt an email, a RSS stream, ...
The result is expressed in universal time (UTC).
WEBDEV - Browser codeAndroidJavaPHP Not available.
Versions 25 and later
maskDateInternet
New in version 25
maskDateInternet
maskDateInternet
The format used corresponds to the RFC-3339 standard used for international communications.
The result is expressed in the local time zone.
Versions 25 and later
maskDateInternetUTC
New in version 25
maskDateInternetUTC
maskDateInternetUTC
The format used corresponds to the RFC-3339 standard used for international communications.
The result is expressed in universal time (UTC).
WEBDEV - Browser code Not available.
maskSystemDateThe format used corresponds to the format defined in the project description for the current language ("Project .. Project description", "Languages" tab).
WEBDEV - Browser code This constant is not available.
The format used corresponds to the format defined in the project description for the current language:
  1. On the "Project" pane, in the "Project" group, click "Description".
  2. Select the "Languages" tab then the "Date" tab.
  3. The format used corresponds to:
    • the parameters of the operating system,
    • the specified parameters (with the defined days and months).

If this parameter is not specified, the DD/MM/YYYY format is used by default.
Remarks

Validity of the date

The validity of the date passed in parameter is checked. A message is displayed if the date is invalid. The validity of a date can be checked with DateValid. The storage format allows you to store dates from 01/01/0001 to 12/31/9999.
The calculations performed on dates by the WLanguage functions or by the WLanguage properties are accurate from January 1st 1583.

Date format

<Date type>.ToString is used to format a date returned by IntegerToDate or DateSys. The result can be assigned to a text control for example.
To get the date in another format, use Right, Left, Middle, etc.

Special case: <Format> is not specified

The linguistic options specified for the dates in the project description are taken into account if no specific format is defined.
To display the linguistic options of the project:
  1. Display the project description ("Project .. Project description").Display the project description: on the "Project" pane, in the "Project" group, click "Description".
  2. Select the "Language" tab.
For example:
  • if the project is using the linguistic options of Windows for the dates, the days of the week and the months will start with a lowercase character on a computer running a French version of Windows.
  • if the project is using specific parameters for the dates for one or more languages (custom name of the day or month, ...), these parameters will be taken into account for the specified language.
Component : wd250std.dll
Minimum version required
  • Version 24
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