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Stored procedures
Returns the day corresponding 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).
  • Versions 24 and later
    a character string in YYYYMMDDHHMMSSCC format (YYYY corresponds to year, MM to month, DD to day, HH to hour, MM to minutes, SS to seconds and CC to hundredths of a second (use CCC for milliseconds). In this case, only the date is taken into account.
    New in version 24
    a character string in YYYYMMDDHHMMSSCC format (YYYY corresponds to year, MM to month, DD to day, HH to hour, MM to minutes, SS to seconds and CC to hundredths of a second (use CCC for milliseconds). In this case, only the date is taken into account.
    a character string in YYYYMMDDHHMMSSCC format (YYYY corresponds to year, MM to month, DD to day, HH to hour, MM to minutes, SS to seconds and CC to hundredths of a second (use CCC for milliseconds). 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 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 / GUI classification : Neutral code
Component : wd250std.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
video pegar dia semana
https://youtu.be/7Jfz3-Ly5xw
amarildo
20 Nov. 2018
Exemplo função dia da Semana
PROCEDURE funcao_dia_semana(d_recebe_data is Date)
s_dia_semana is string=""
SWITCH DateToDay(d_recebe_data)
CASE 1
s_dia_semana="SEGUNDA"
CASE 2
s_dia_semana="TERCA"
CASE 3
s_dia_semana="QUARTA"
CASE 4
s_dia_semana="QUINTA"
CASE 5
s_dia_semana="SEXTA"
CASE 6
s_dia_semana="SABADO"
CASE 7
s_dia_semana="DOMINGO"
OTHER CASE
END
RESULT(s_dia_semana)
//--------------------
d_recebe_data is Date=SAI_data_vencimento
SAI_dia_semana=funcao_dia_semana(d_recebe_data)
//-Blog com video e exemplo
http://windevdesenvolvimento.blogspot.com.br/2016/01/curso-windev-datas-002-data-funcao-dia.html
De matos AMARILDO
02 Feb. 2016
Exemplo DateToDay
d_data_vencimento is Date=SAI_data_vencimento
(SAI_data_vencimento,SAI_diaSemana)=feriados_Calcula_proximo(d_data_vencimento)
//--------------
PROCEDURE feriados_Calcula_proximo(d_recebe_data is Date=0)
s_dia_semana is string=""
SWITCH DateToDay(d_recebe_data)
CASE 1
s_dia_semana="SEGUNDA"
CASE 2
s_dia_semana="TERCA"
CASE 3
s_dia_semana="QUARTA"
CASE 4
s_dia_semana="QUINTA"
CASE 5
s_dia_semana="SEXTA"
CASE 6
s_dia_semana="SABADO"
d_recebe_data..Jour-=1 // DAY
CASE 7
s_dia_semana="DOMINGO"
d_recebe_data..Jour+=1 // DAY

OTHER CASE
END
RESULT(d_recebe_data,s_dia_semana)

//Blog Com Video e Exemplo
http://windevdesenvolvimento.blogspot.com.br/2016/01/windev21-curso-230-calcular-dia-da.html

De matos AMARILDO
20 Jan. 2016