BUG: incorrect most productive hours diagram (annual report)

<img width="1443" height="697" alt="Image" src="https://github.com/user-attachments/assets/bcf4c3ed-16a4-42e4-90f4-b29759e583f7" />

I never code in morning

my daily coding distribution:
<img width="1532" height="556" alt="Image" src="https://github.com/user-attachments/assets/7370270f-8dc8-4d3f-ba68-a7d34d91a11f" />

I think it is timezone issue. I am from Moscow