how change the timezone after installation?

i want to change the timezone after installed the calculate linux.
i tried the way like this:

cat /usr/share/zoneinfo/Asia/Shanghai > /etc/localtime

it worked.
but when i update the settings by the calculate templates, it will reset, how can i do?

thank you!

Run:

cl-install --startup --live --timezone=Asia/Shanghai

for more information, run:

man cl-install

thank you.
it works!

cl-install --startup --live --timezone=Asia/Shanghai

Unknown parameter --startup