It's normal in Asia.
I'm not in Asia though.
It's also normal to speak Chinese in China. That doesn't mean that I should be speaking Chinese as well.
And Sweden. And probably lots of other countries too. It's a world standard, and there are very few places that use hyphens in dates that are not ISO dates.
I'm not in Asia though.
It's also normal to speak Chinese in China. That doesn't mean that I should be speaking Chinese as well.