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Stored procedures
Returns the day corresponding to a given date.
Versions 16 and later
Universal Windows 10 App This function is now available for Windows Phone applications.
New in version 16
Universal Windows 10 App This function is now available for Windows Phone applications.
Universal Windows 10 App This function is now available for Windows Phone applications.
Versions 18 and later
Universal Windows 10 App This function is now available in Windows Store apps mode.
New in version 18
Universal Windows 10 App This function is now available in Windows Store apps mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Example
DateToDay("20011225") // Returns 2
IF DateToDay(DateSys()) > 5 THEN
Info("It's the weekend")
END
Syntax
<Result> = DateToDay(<Date>)
<Result>: Integer
Number corresponding to the day of the week for the specified date:
1 - Monday
2 - Tuesday
3 - Wednesday
4 - Thursday
5 - Friday
6 - Saturday
7 - Sunday
<Date>: Character string, Date or DateTime variable
Date to use. This date can correspond to:
  • a character string in YYYYMMDD format (YYYY corresponds to the year, MM to the month and DD to the day).
  • Versions 24 and later
    a character string in YYYYMMDDHHmmSSCC format (YYYY corresponds to the year, MM to the month, DD to the day, HH to hours, mm to minutes, SS to seconds and CC to hundredths of a second (use CCC for thousandths of a second)). In this case, only the date is taken into account.
    New in version 24
    a character string in YYYYMMDDHHmmSSCC format (YYYY corresponds to the year, MM to the month, DD to the day, HH to hours, mm to minutes, SS to seconds and CC to hundredths of a second (use CCC for thousandths of a second)). In this case, only the date is taken into account.
    a character string in YYYYMMDDHHmmSSCC format (YYYY corresponds to the year, MM to the month, DD to the day, HH to hours, mm to minutes, SS to seconds and CC to hundredths of a second (use CCC for thousandths of a second)). In this case, only the date is taken into account.
  • a Date variable.
  • Versions 24 and later
    a DateTime variable. In this case, only the date is taken into account.
    New in version 24
    a DateTime variable. In this case, only the date is taken into account.
    a DateTime variable. In this case, only the date is taken into account.
Remarks
The date 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.
Related Examples:
Management of dates Unit examples (WINDEV): Management of dates
[ + ] Using the Date type of WLanguage and the functions for handling dates.
Business / UI classification: Neutral code
Component: wd260std.dll
Minimum version required
  • Version 9
This page is also available for…
Comments
WD24
DateToDay explicitely asks for an 8 character string YYYYMMDD and NOT for the 18-character string YYYYMMDDHHMMSSCC-string as shown.
Guenter
25 Jul. 2019