Creating Date and Time Stamp

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» Creating Date and Time Stamp

CATEGORY: Excel Date & Time Formulas

VERSIONS: All Microsoft Excel Versions

Problem:

Creating a timestamp for each of the values in List1 (column A).
We want the timestamp to display the date and time that each value was entered or when it was most recently modified.

Solution:

1. Go to Tools  Options  Calculation Tab  Check the Iteration checkbox.
2. Use the IF and NOW functions as shown in the following formula:
=IF(A2=",",IF(B2="",NOW(),B2))
3. Apply "mm/dd/yyyy hh:mm" format to column B.

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READER COMMENTS (view all comments)

vba style
kikas wrote on December 31, 1969 19:00 EST

Private Sub Worksheet_Change(ByVal Target As Range)
'Target.Font.ColorIndex = 5
Dim ProdCode, Flag
Flag = 0
'Dim Val As Range

ProdCode = Left(Target, 4)
Select Case ProdCode
Case "99YT"
Target.Offset(0, 1) = "T640-E MMB"
Flag = 1
Case "804E"
Target.Offset(0, 1) = "T640-FPC1-E"
Flag = 1
Case "ST32"
Target.Offset(0, 1) = "M320-FPC3"
Flag = 1
Case Else
End Select

If (Flag = 1 And Target.Offset(0, 4) = "") Then
Target.Offset(0, 4) = Date
End If

End Sub

// I used "Flag" to flag me when the cell is entered
//and I also insured that the date cell is empty
//Enjoy

Mechanical Engineer
ottav wrote on July 11, 2006 18:30 EST

I've programmed a timestamp to update when the list has changed, but how do you stop the timestamp from updating when the file is opened. I only want it to change when someone has changed my inventory list.

Thanks,
Danielle

Incomplete formula
Whnke wrote on August 28, 2006 14:24 EST

The formula should read

=IF(A2=",",IF(B2="",NOW(),B2),NOW())

Correction
Whnke wrote on August 28, 2006 14:40 EST

=IF(A2=A2,NOW(),B2)

Is the correct formula

Easy method
wrote on December 31, 1969 19:00 EST

Simply type the now function somewhere on the spreadsheet. =Now()

Then go to Data > validation and
Under Allow: = list
Under Source: = "the cell you typed the now formula"

This will allow you to do a "timestamp" function and make it stick!

Later

Validation works....
Faisal wrote on December 31, 1969 19:00 EST

The validation method worked for me. However, it would be much better if it didnt rely on selecting from the drop down list, but instead captured the time/date when text was entered into the adjacent cell....

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