I never thought about using that feature but I should for the same reasons. I have a LCD digital clock right under my monitor even tho the OS has a clock of course. But as soon as I'm "immersed" in something, or the menubar is obscured bc I do keep some apps fullscreen, time does not exist.
It also has the temp and humidity and looks attractive and runs on usb: https://www.amazon.com/gp/product/B088LZRT94/ref=ppx_yo_dt_b...
Its a good clock.