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Support Article

IsValidBusinessDay function do not work correctly for Closed day



IsValidBusinessDay and @isBusinessDay() functions do not work correctly for Closed Days. This occurs in the Australia timezone when the system contains a Calendar prior to 1972.

Error Messages

Not Applicable

Steps to Reproduce

Create a Calendar instance with start date as 1970/01/01 in Australia time zone. Validate the Closed Days using @isBusinessDay() or IsValidBusinessDay function.

Root Cause

A defect in Pegasystems’ code or rules.


Apply HFix-41178.

Published March 21, 2018 - Updated October 8, 2020

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