I'm Harsh the designer on the project, the design was inspired from Venetian 24-hour clocks and Neapolitan pizza. Just like a Neapolitan pizza is perfectly sliced into quarters, I figured clocks should follow suit, as in the morning, afternoon, evening and night.
You should be able to grab any of the cities on the dial and spin them with your mouse.
If that doesn't work, could you share your device details?
(also if it does work, if you don't mind confirming). Thanks