Date in Europe: 30/03/2026
Date in China: 2026/03/30
Then you have Little Endian and you have Big Endian.
TL;DR: Some humans like to talk about the specific and then the general and others vice versa.
But here is really why I think the author referred to it as "London, Croydon"
"London, Croydon" communicates "Hey we had this C++ standards meeting in London, one of the coolest cities in the world. (Be jealous!). We were helping add more complexity to the most complex language in the world in the lovely environment of London, England. Croydon is a piece of irrelevant detail... meeting was in London, remember that !
"Croydon, London" communicates "Hey we had this C++ standards meeting in gritty Croydon... it was in London so I guess it was OK ?? Sorry our budgets could not put us up in Westminister, London"
[End of Joke]