HA moved to proxmox, language settings doesn't work fully

I have moved my HA installation to a NUC with Proxmox (0.108.6)
After doing that, the language settings in HA are odd.
I’ve set my profile’s language to danish.
Most strings are shown in Danish, but the units in sensors are shown in english.
Ie. Days instead of Dage, and AM/PM instead of 24h clock.
I’m not sure if it’s the move to proxmox, or that it was upgraded to 0.108.6 when I did the backup/restore from the RPi to the NUC.
How on earth do I fix that?