RosterPatternGenerator
For those that have a fixed roster pattern and need to know in advance what your working days and off days are going to be, you may find this useful.
It's written in PowerShell. You don't need a Windows machine to run it, you can run online by clicking the above link (though if run locally the output is more pretty).
You can specify two different patterns (one for summer, one for winter). You can also choose the Winter and Summer months. Be sure to change the start date here first:
Tio.run output
Script running on PC output:
