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Support Article

DateTimeDifference function "h" precision doesn't return decimal



When you use the DateTimeDifference function with a specified precision, you notice the return value doesn't contain the decimal part associated the time difference.

Error Messages


Steps to Reproduce

  1. Create an activity
  2. Add a Property-Set step which assigns "@(Pega-RULES:DateTime).DateTimeDifference("20141112T193000.000 GMT", "20141112T200000.000 GMT", "h")" to a double property.
  3. Review the results

Root Cause

The root cause of this problem is a defect in customer application code/rules. The expected behavior of DateTimeDifference is to return only the whole number value of the difference over the precision.


This issue is resolved through the following local change:

Create a custom rule-utility-function that doesn't call the floor function to remove the decimal component of the return. For assistance with this, contact GCS.


Published January 31, 2016 - Updated October 8, 2020

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