Firstday of the week is not Monday on the milestone calendar

Problem to solve

I would prefer Monday as the first day of the week, in the milestone calendar

Intended users

Everybody

User experience goal

When i create a new milestone, the calendar is not according the standard of my country

Proposal

The calendar should be displayed in conformance of a local settings.

Further details

Is Sunday the first day of the week or the last? According to international standard ISO 8601, Monday is the first day of the week. It is followed by Tuesday, Wednesday, Thursday, Friday, and Saturday. Sunday is the 7th and final day.

Permissions and Security

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Add expected impact to Reporter (20) members
Add expected impact to Developer (30) members
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Add expected impact to Owner (50) members -->

Documentation

Availability & Testing

What does success look like, and how can we measure that?

Every calendar in the application should be displayed according to my locale settings.