SUMMARY *** It would be really nice if running timers should show the time they will end at. It's a useful feature to look at in a glance, something the Windows 11 Clock app has. So if the timer has 2h left and it's 1:52 PM, it will show 3:52 PM at the end. ***
Added to an issue: https://invent.kde.org/utilities/kclock/-/issues/95
Implemented in https://invent.kde.org/utilities/kclock/-/merge_requests/218