Устанавливать будильники и таймеры, использовать секундомер и управлять мировыми часами - Set alarms and timers, use a stopwatch, and manage world clocks
[ О приложении ]

A universal clock application for desktop and mobile.

It contains alarm, timer, stopwatch and timezone functionalities.
Alarms and timers are able to wake the device from suspend on Plasma.

Источник
Репозиторий: flathub

FlatPak: Clock [Utilities]