June 16, 2020

DateAdd Function in VBA

How to manipulate dates using the DateAdd function in Excel VBA.

DateAdd Function in VBA

DateAdd function

Returns a Variant (Date) containing a date to which a specified time interval has been added.

DateAdd(interval, number, date)

The DateAdd function syntax has the following named arguments:

intervalThis argument is required. It is a string expression that is the interval of time you want to add.
numberThis argument is required. It is a numeric expression that is the number of intervals you want to add. It can be positive or negative. We use a positive number to get dates in the future. Negative numbers are used to get dates in the past.
dateThis argument is required. It is a Variant (Date) data type or literal. It represents the date to which the interval is added.
DateAdd Function Arguments

The macro code below shows a few examples of dateadd function. Only one line is active and the other lines have been commented out using an apostrophe:

Private Sub CommandButton1_Click()
Me.TextBox2.Value = DateAdd(“yyyy”, 5, Me.TextBox1.Value)
‘Me.TextBox2.Value = DateAdd(“m”, 2, Me.TextBox1.Value)
‘Me.TextBox2.Value = DateAdd(“d”, 2, Me.TextBox1.Value)
End Sub

From the above VBA code we can easily see that years, months or days can be added to our date.

The interval argument has these terms:

yDay of year
Terms used in the interval argument

Further reading:

DateAdd Function in VBA

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