New major cities, or smaller ones that weren’t previously listed.
Like in the U.S, major cities are usually actually a dozen or more cities making up a metro area. I distinctly remember in the 2010s a lot of world clocks would only list the name of the metro area and maybe one or two others for a given metro area.
Developing country or not, major cities don’t just change names without major conflicts anymore.
New major cities, or smaller ones that weren’t previously listed.
Like in the U.S, major cities are usually actually a dozen or more cities making up a metro area. I distinctly remember in the 2010s a lot of world clocks would only list the name of the metro area and maybe one or two others for a given metro area.