Setting "Use ISO8601 standard in Date Picker" to "Yes" has no effect on the date/time picker on the portal

Summary

• In the current portal view, when "Use ISO8601 standard in Date Picker" is set to "Yes" - the first day of the week remains on Sunday

Environment

• JSD Cloud

Steps to Reproduce

1. Set "Use ISO8601 standard in Date Picker" to "Yes" in <base_url>/secure/admin/LookAndFeel!default.jspa(Jira settings > System > Look and feel)
2. Create a new request via the customer portal and set a value in a date/time picker

Expected Results

• Monday is the first day of the week

Actual Results

• Sunday remains the first day of the week

Notes

• This is not an issue on the older portal

  Old portal	Current help center

Workaround

• No known workarounds