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How to Subtract the Dates in Alteryx

Updated on:
June 5, 2026
By:
Madhav Bhandari
Use this interactive demo to learn how to calculate the difference between two dates in Alteryx.

‍

It is very easy to subtract the dates in Alteryx. Here’s a short tutorial on how to do it in simple steps:

  1. Inside Alteryx's workflow designer, go to the left-side panel and find 'Formula'. Drag this tool onto the canvas and connect it to the Input Data tool or other sources.
  2. Following that, head over to the right-side panel and make all the required configurations. To get started, type a unique name into the Output Column field and then set its Field Type according to your preference.
  3. Type 'DateTimeDiff' into the Formula field, then select it from the suggested results.
  4. After that, replace DT1 with '[' and select the field containing the End Dates.
  5. Subsequently, replace DT2 with the field containing the Start Dates.
  6. As for the U, replace it with "Days" or other suitable unit of measure. Make sure that you enclose it inside a pair of quotation marks.
  7. Finally, the dates from the selected fields in your Alteryx workflow will be subtracted based on your input.

📌 Why this matters

Date subtraction transforms raw timestamps into actionable business metrics. You can calculate project durations, measure response times, track aging inventory, or determine employee tenure. Beyond simple math, this creates the foundation for time-based analytics that drive strategic decisions. When you subtract dates at scale across thousands of records, you're building datasets that reveal patterns in customer behavior, operational efficiency, and performance trends that would be invisible when looking at individual dates in isolation.

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