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Stored procedures
Returns the day that corresponds to a given date.
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).
  • 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.
  • 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.
WLanguage functions and WLanguage properties make accurate calculations on dates 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: wd280std.dll
Minimum version required
  • Version 9
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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