month names

[Aga Tentakulus]

1. the year starts with March.
A clarification here would not be bad.
Was the view that the new year begins in spring (March) rather than in January?
This would possibly explain the missing pages at the end, and of course also the beginning.
2. he sometimes uses Latin at the beginning and German in the text.
I wonder if there was ever a Junius for June. (I think Juno would be correct)
Julius and July are clear.
September and Septembris.
So Julius (Latin) July (German/Allemannic) Juli is German.

So the dots above the "y" in Juni are also typically Alemannic. It stands for a long "i" Today written Junii, sometimes also Jonii, depending on the region.
Example: s'isch gsii es ist gewesen. It was once.