[BUG] Day confusion

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

<img width="1398" height="622" alt="Image" src="https://github.com/user-attachments/assets/14f17546-edbf-4551-a88b-68f6ced03e50" />

<img width="1398" height="622" alt="Image" src="https://github.com/user-attachments/assets/c987fa76-deeb-45ce-83c4-7885ee15471a" />

What Should Happen?

Claude Desktop doesn't know which it is currently on.

Error Messages/Logs

Steps to Reproduce

They are detailed in the screenshot attached above.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude 1.11187.4 (584005) 2026-06-05T20:15:04.000Z

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Other

Additional Information

_No response_