Source: https://doi.org/10.6084/m9.figshare.19178711.v1
I have created a customized 2022 calendar based on the DIY YUFE (Young Universities for the Future of Europe) Open Science Calendar. You can customize for your own institution as well. All the information, files, etc. that you need are here:
https://zenodo.org/record/5961563#.YgZkZd-ZPcv