The World Time complication has been in use for over 80 years, and Apple did a fantastic job in creating a version that's easier to read versus the mechanical counterpart.
Don't blame Apple if you don't understand how it's read.
Economy-Weird-2368
joined 2 years ago
https://www.youtube.com/watch?v=hd6xPjF_AfU
https://www.youtube.com/watch?v=Ha9OmSooTps
https://www.citizenwatch-global.com/support/exterior/differential.html#:~:text=The%20rotating%20bezel%20(or%20dial,of%20Paris%20while%20in%20Tokyo.
https://www.daviddugganwatches.co.uk/one-to-watch/2019/a-guide-to-the-world-time-complication/