The taskbar clock is limited to three clocks (the two world clocks and the local clock). To show more than three clocks, you can use the World Clock feature from the Windows Clock App. See Jim Hillier’s article, How To Add Additional Clocks (Time Zones) In Windows 10 (it works essentially the same in Windows 11). —
Unless I'm not understanding what you are asking, the Game Bar has a clock, press windows key + G to pull it up. No for sadly Microsoft removed it from windows 10 its available in windows vista and windows 7 and i think windows 8.1. I'm not a big fan of widgets (including Windows) But here's a list from a site I trust. Led Clock - gadget LED clock for Windows 7/8/10. Multi-colored LED clock displaying the current time on a small board. Digital clock is a nice addition to your Windows desktop. ILv1fDK. 404 241 367 447 79 97 16 120 185

desktop clock widget windows 10