Visual Basic 2008 Tutorial
Lesson 16: Functions Part V- Formatting Date and Time
16.1 Formatting Date and time using predefined formats
Date and time can be formatted using predefined formats and also user-defined formats. The predefined formats of date and time are shown in Table 13.3.
Table 16.1 Predefined formats of date and time
Format
Explanation
Format (Now, ¡°General date¡±)
Formats the current date and time.
Format (Now, ¡°Long Date¡±)
Displays the current date in long format.
Format (Now, ¡°Short date¡±)
Displays current date in short format
Format (Now, ¡°Long Time¡±)
Display the current time in long format.
Format (Now, ¡°Short Time¡±)
Display the current time in short format.
* Instead of "General date", you can also use the abbreviated format "G" , i.e. Format (Now, "G"). And for "Long Time", you can use the abbreviated format "T". As for "Short Time", you may use the abbreviated format "t"
Example 16.1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Label1.Text = Format(Now, "General Date")
Label2.Text = Format(Now, "Long Date")
Label3.Text = Format(Now, "short Date")
Label4.Text = Format(Now, "Long Time")
Label5.Text = Format(Now, "Short Time")
End Sub
The output is shown in the diagram below:
16.2 Formatting Date and time using user-defined formats
Beside using the predefined formats, you can also use the user-defined formatting functions. The general format of a user-defined for date/time is
Format (expression,style)
Table 16.2 Some of the user-defined format functions for date and time
Format
Explanation
Format (Now, ¡°M¡±)
Displays current month and date
Format (Now, ¡°MM¡±)
Displays current month in double digits.
Format (Now, ¡°MMM¡±)
Displays abbreviated name of the current month
Format (Now, ¡°MMMM¡±)
Displays full name of the current month.
Format (Now, ¡°dd/MM/yyyy¡±)
Displays current date in the day/month/year format.
Format (Now, "MMM,d,yyyy")
Displays current date in the Month, Day, Year Format
Format (Now, "h:mm:ss tt")
Dispalys current time in hour:minute:second format and show am/pm
Format (Now, "MM/dd/yyyy h:mm:ss)
Dispalys current date and time in hour:minute:second format
Example 16.2
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click, Button2.Click, Button3.Click
Label1.Text = Format(Now, "M")
Label2.Text = Format(Now, "MM")
Label3.Text = Format(Now, "MMM")
Label4.Text = Format(Now, "MMMM")
Label5.Text = Format(Now, "dd/MM/yyyy")
Label6.Text = Format(Now, "MMM,d,yyyy")
Label7.Text = Format(Now, "h:mm:ss tt")
Label8.Text = Format(Now, "MM/dd/yyyy h:mm:ss tt")
End Sub
The output is shown in the diagram below:
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