DataWeave 2.2 is compatible and bundled with Mule 4.2. Standard Support for Mule 4.2 ended on May 2, 2021, and this version of Mule will reach its End of Life on May 2, 2023, when Extended Support ends.

Deployments of new applications to CloudHub that use this version of Mule are no longer allowed. Only in-place updates to applications are permitted.

MuleSoft recommends that you upgrade to the latest version of Mule 4 that is in Standard Support so that your applications run with the latest fixes and security enhancements.

daysBetween(Date, Date): Number

Returns the number of days between two dates.


Name Description


From date (a Date type).


To date (a Date type). Note that if the to date is earlier than the from date, the function returns a negative number equal to the number of days between the two dates.


This example returns the number of days between the specified dates.


%dw 2.0
output application/json
{ days : daysBetween('2016-10-01T23:57:59-03:00', '2017-10-01T23:57:59-03:00') }


 { "days" : 365 }

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