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Converting a UNIX timestamp to a readable date

Last updated: 8/27/2026
A Unix timestamp is a series of numbers non-human readable such as 13959.583,1330578363. This scenario shows how to convert it to a readable date or map it to the target system format.

Converting a UNIX timestamp to a readable date

Procedure

  1. Create a .txt file example of a UNIX timestamp with the following data: 
    13959.583
                     1356854
                     1330578363
  2. Create a Job named ConvertUnixTime, composed of a tFileInputdelimited, a tMap and a tLogRow component linked by two main rows.
  3. Double-click tFileInputdelimited to open its Component view and fill the File name/Stream field with path of the .txt file you created for example, "D:/file/in.txt".
  4. Click the ellipsis button (...) to edit the schema of the component and add a new column named unixDate.
    Information noteNote: The data entered can be read with double, float, or long type.
  5. Double-click tMap to configure it and place the unixDate column of the input table to the output table.
  6. Enter new java.util.Date((long)(row1.unixDate*1000)) into the expression box of the output table column.
  7. Change the Type of the data to Date in the Schema editor and enter the following Date pattern: "dd-MM-yyyy HH:mm:ss". The following schema should appear:
    Result schema.
  8. Execute the Job. The following results are output to the console:
    Job execution.
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