Brinkster Articles, Date Manipulation Part4: Getting the Day, Month, Year, Weekday, and Weekday Name

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Date Manipulation Part 4 : Getting the day, month, year, weekday, and weekday name

There are five functions that you can call, pass a valid date, and they will return to you the requested part of the date. Below I will detail each of them and show an example of their use:

Day(ValidDate)
- returns the day of the ValidDate, a number between 1 and 31

Month(ValidDate)
- returns the month of the ValidDate, a number between 1 and 12

Year(ValidDate)
- returns the year of the ValidDate, a number like 1997

Weekday(ValidDate[, FirstDayOfWeek])
- returns the weekday of the ValidDate, a number 1 - 7
- what the function returns depends on what day is the first day of the week, you can set this, or use the default - Sunday
- to set the FirstDayOfWeek parameter use 1-7, where 1 is Sunday

WeekDayName(DayOfWeek, Abbreviate, FirstDayOfWeek)
- returns the name of the day of the week that you specify.
- DayOfWeek is a number representing the day of the week you want the name for (1-7)
- Abbreviate is a boolean value to tell the function whether or not you want the name that comes back to be abbreviated or not (true or false)
- to set the FirstDayOfWeek parameter use 1-7, where 1 is Sunday

An example of the above functions in use is:

var1 = "04/04/1999" 
Response.Write("var1 = " & var1 & " ")
Response.Write("For var1 the day is " & Day(var1) & " ")
Response.Write("For var1 the month is " & Month(var1) & " ")
Response.Write("For var1 the year is " & Year(var1) & " ")
Response.Write("For var1 the weekday is " & WeekDay(var1, 1) & " ")
Response.Write("For var1 the weekdayname is " & WeekDayName(WeekDay(var1), false, 1) & " ")

Results:
var1 = 04/04/1999
For var1 the day is 4
For var1 the month is 4
For var1 the year is 1999
For var1 the weekday is 1
For var1 the weekdayname is Sunday

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