Blog posts date is not correct

Summary

After publishing a blog with Posting date older than current day Confluence displays it in current's month folder on the left menu.

Steps to reproduce:

1. Create Blog Post
2. Insert a title and select a Posting Date from last month, for example.
3. This post will be displayed on this month's folder on the left menu.

Expected behaviour

• Confluence should list the post in the left menu according to the Posting Date.

Workaround

• There's no current workaround for it.