Adds a timestamp to a feature as a new attribute in the form of a date, time (with or without UTC offset), or datetime (with or without UTC offset), in local or UTC time.

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Typical Uses

  • Adding timestamps to features

How does it work?

DateTimeStamper can be used to generate today's date, and be used with DateTimeCalculator to compute tomorrow's and yesterday's dates. It can be used to leave a fractional timestamp on a feature, which allows output features to be sorted and retrieved by timestamps. Timestamps also facilitate comparison operations. To format timestamps for a destination writer, use DateTimeConverter.

The timestamps created are in the Standard FME Date/Time Format.


Input Ports

Output Ports


Editing Transformer Parameters

Using a set of menu options, transformer parameters can be assigned by referencing other elements in the workspace. More advanced functions, such as an advanced editor and an arithmetic editor, are also available in some transformers. To access a menu of these options, click beside the applicable parameter. For more information, see Transformer Parameter Menu Options.

Defining Values

There are several ways to define a value for use in a Transformer. The simplest is to simply type in a value or string, which can include functions of various types such as attribute references, math and string functions, and workspace parameters. There are a number of tools and shortcuts that can assist in constructing values, generally available from the drop-down context menu adjacent to the value field.

Dialog Options - Tables

Transformers with table-style parameters have additional tools for populating and manipulating values.


Processing Behavior


Feature Holding


Dependencies None




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