deepin-calendar from home:stevetodorov:X11:Deepin project
Select Your Operating System
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:stevetodorov:X11:Deepin/openSUSE_Tumbleweed/home:stevetodorov:X11:Deepin.repo zypper refresh zypper install deepin-calendar