Calendar January Month not working right

[Michel_LeBlond]

I am using a filter that lets the me see entries for different users on a Calendar.
It works fine for all views for December and the week and day view work fine for January but the Month view is not working . Is this a bug in the system ?

[Koichi_Tsuji]

Better to post your screenshot so that everyone can share your problem visibly.

[Michel_LeBlond]

I added in screen shots. The issue is definitely with the month of January.
Moving a record back to last month has it show up fine in the Month view for December.

[Michel_LeBlond]

For sure pictures tell the story.
Include are shots for the Dec Monthly View, January Daily, Weekly and Monthly Views.