California is near the top in these things, except housing which you can squarely blame on NIMBYs. It's expanding healthcare for migrants, the minimum wage in most cities now is twice the federal minimum wage. It's also doing well in terms of renewable energy even though energy rates are sky high. Alternative and public transportation and other public services are also getting better, albeit slowly. Can't have everything, but CA is doing better than most.
Out of curiosity, does Lemmy/AP have a way of doing tags like reddit, seems like a feature worth having.
ISO-8601 has the answer for computers, and maybe humans too. It's the last way you mentioned for everyday use.
Make your own, and don't be so professional about it.