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Date & time operations

Date&timeData manipulationETL
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Jan 26, 2026 3:55 PM
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Date&Time Operations: Customer Purchase Analysis

Working with date & time values can be tricky. KNIME offers a variety of nodes for date-& time-related operations. To make use of these nodes, it is crucial to transform the relevant columns into Date&Time cells.

Based on a customer purchase analysis use case, this example workflow demonstrates how to how to convert a date & time value from String into Date&Time and illustrates how different date & time operations can be performed. After processing the transaction data, the workflow identifies each customer's potential churn risk based on a their inactivity.

The sample data has 5 columns:

  • Customer ID: Each customer's identification number

  • Purchase Date: The date and timestamp when each purchase was made

  • Purchase Amount: The purchase amount

  • Store Location: The location of the store where the purchase was made

  • Product Category: The product category

External resources

  • KNIME Blog: Explore Date&Time in KNIME & Get Best Practices
  • KNIMETV: Handling Date & Time Data with KNIME: Convert Strings and Extract Date & Time Fields
  • KNIMETV: Handling Date&Time Data with KNIME: Modify and Filter Date&Time Data
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Used extensions & nodes

Created with KNIME Analytics Platform version 5.5.2
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    KNIME Base nodesTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 5.5.1

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    KNIME ExpressionsTrusted extension

    KNIME AG, Zurich, Switzerland

    Version 5.5.1

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