Created attachment 181177 [details] timesone The image shows the absence of time zones in systemsettings.
Operating System: ROSA Fresh Desktop 13 KDE Plasma Version: 6.3.80 KDE Frameworks Version: 6.14.0 Qt Version: 6.9.0 Kernel Version: 6.14.6-generic-2rosa13-x86_64 (64-bit) Graphics Platform: Wayland Processors: 8 × Intel® Core™ i7-7700K CPU @ 4.20GHz Memory: 32 ГиБ of RAM (31.2 ГиБ usable) Graphics Processor: NVIDIA GeForce RTX 3050 Manufacturer: Gigabyte Technology Co., Ltd. Product Name: B250M-D3H
It turned out that the problem was that the lib64qtlocation1 package was not installed. After installing the lib64qtlocation1 package the problem disappeared.