VBScript DatePart Function

It is a function that returns the specific part of a given date.

Syntax

DatePart(interval,date[,firstdayofweek[,firstweekofyear]])

Parameter Description

Interval, a Required Parameter. It can take the following values −
- d − day of the year.
- m − month of the year
- y − year of the year
- yyyy − year
- w − weekday
- ww − week
- q − quarter
- h − hour
- m − n
- s − second
date1 is a required parameter.
firstdayofweek is Optional. Specifies the first day of the week. It can take the following values −
- 0 = vbUseSystemDayOfWeek − Use National Language Support (NLS) API setting
- 1 = vbSunday − Sunday
- 2 = vbMonday − Monday
- 3 = vbTuesday − Tuesday
- 4 = vbWednesday − Wednesday
- 5 = vbThursday − Thursday
- 6 = vbFriday − Friday
- 7 = vbSaturday − Saturday
firstdayofyear is Optional. Specifies the first day of the year. It can take the following values −
- 0 = vbUseSystem − Use National Language Support (NLS) API setting
- 1 = vbFirstJan1 − Start with the week in which January 1 occurs (default)
- 2 = vbFirstFourDays − Start with the week that has at least four days in the new year
- 3 = vbFirstFullWeek − Start with the first full week of the new year

Example

<!DOCTYPE html>
<html>
   <body>
      <script language = "vbscript" type = "text/vbscript">
         Dim Quarter, DayOfYear, WeekOfYear

         Date1 = "2013-01-15"
         Quarter    = DatePart("q", Date1)
         document.write("Line 1 : " & Quarter&"<br />")
         DayOfYear  = DatePart("y", Date1)
         document.write("Line 2 : " & DayOfYear&"<br />")
         WeekOfYear = DatePart("ww", Date1)
         document.write("Line 3 : " & WeekOfYear&"<br />")
         document.write("Line 4 : " & DatePart("m",Date1))

      </script>
   </body>
</html>

When you save it as .html and execute it in Internet Explorer, then the above script will produce the following result −

Line 1 : 1
Line 2 : 15
Line 3 : 3
Line 4 : 1

vbscript_date.htm