BUG_Monthly Period is messed up

[Roxas2712]

Describe the bug
In June Month July is standing as headline. For July August is standing in headline
To Reproduce
Steps to reproduce the behavior:

1. Go to Home
2. Switch to monthly period
3. Take a look to top of the screen

Expected behavior
I would expect that the Intervall of month and the headline are the same.

Screenshots

Smartphone (please complete the following information):

• Device: IPhone 12 Pro Max
• OS: 15.5

Additional context
Add any other context about the problem here.

[victorbalssa]

Thank you for the screenshots,
I think I got something for this one.

Will release it in 0.1.0.

link to #12