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Calculate the Difference Between Two Dates


Calculate the difference in a time unit between two custom date fields. Save time manually tracking dates using this script.


As a project manager, I have an impending project deadline coming up. I need to see how long the tasks have been running to ensure my team is on track to complete the project on time. Using this script, I can configure a Scripted Field, or use the Script Console, to show me the time elapsed for each outstanding issue.

Good to Know

  • Change the ChronoUnit value to calculate the difference in the time unit of your choice. You can check the documentation to see the available time units.
  • The ChronoUnit#between method doesn't take into account fractional results, it rounds the result to the greatest integer less than or equal to the resulting value (floor function).
  • (Server) Configure an Scripted field to check the information at a glance.
  • (Cloud) Execute the script in the Script Console.


  • Jira Jira (8.0 - 8.14)
  • ScriptRunner for Jira ScriptRunner for Jira (6.18.0)
import com.atlassian.jira.component.ComponentAccessor import java.sql.Timestamp import java.time.temporal.ChronoUnit // Get the required component def customFieldManager = ComponentAccessor.customFieldManager // The name of the lower date custom field final String lowerDateCustomFieldName = "Lower Date Custom Field" // The name of the higher date custom field final String higherDateCustomFieldName = "Higher Date Custom Field" // Get the custom field objects def lowerDateCustomField = customFieldManager.getCustomFieldObjects(issue).find { == lowerDateCustomFieldName } def higherDateCustomField = customFieldManager.getCustomFieldObjects(issue).find { == higherDateCustomFieldName } if (!lowerDateCustomField || !higherDateCustomField) { "Could not find one ore more of the provided custom fields" return null } // Get the date values from both issues def lowerDateValue = issue.getCustomFieldValue(lowerDateCustomField) as Timestamp def higherDateValue = issue.getCustomFieldValue(higherDateCustomField) as Timestamp // Transform both values to instants def lowerDateInstant = lowerDateValue?.toInstant() def higherDateInstant = higherDateValue?.toInstant() // Change the chrono unit to obtain the difference in other time unit. final chronoUnit = ChronoUnit.DAYS // Calculate the difference between the lower and the higher date. lowerDateInstant && higherDateInstant ? chronoUnit.between(lowerDateInstant, higherDateInstant) : null
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