I'm using Ubuntu 18.04 too and also I have a laptop with Ubuntu Mate 19.10 and another with Xubuntu 20.04 beta, none of them correctly recognize the true locale. I think the problem is caused by auto-recognition of locale from the Internet.
I'm using Ubuntu 18.04 too and also I have a laptop with Ubuntu Mate 19.10 and another with Xubuntu 20.04 beta, none of them correctly recognize the true locale.
I think the problem is caused by auto-recognition of locale from the Internet.