Issue Summary

In the default setting, an extra character is added to the date selected by the date picker in customer portal

Steps to Reproduce

1. At Jira advanced settings(https://<instance>.atlassian.net/secure/admin/AdvancedApplicationProperties.jspa), confirm that you are using the default setting for the two date.picker formats
2. Add a date picker field to the create issue screen and the request type
3. Select a date in both the Jira create issue screen and the customer portal

Expected Results

They both show the d/MMM/yy format. ex.29/11/19

Actual Results

In the customer portal, it shows an extra character, ex. 29/11月/19
The Jira create issue screen shows the data as intended(29/11/19)

Workaround

At Jira advanced settings(https://<instance>.atlassian.net/secure/admin/AdvancedApplicationProperties.jspa), update jira.date.picker.javascript.format to %e/%m/%y (default is %e/%b/%y)

Note

Same applies to the date time picker field