Think of it like the Latin alphabet in that regard, I suppose. Regarding the character mapping, different dialects really do not map the same.
However, with the Chinese calendar, dates are still written as year-month-day.
I am bright, like a ray of sunshine, I have a very kind soul. And most importantly, I cook very tasty, I can conquer your heart with my dish and you'll never let me go. I am purposeful, clever, demanding to myself and to others.
But for my lover I will become the most affectionate.
A follow up question: why do many nations use yyyy-mm-dd?
I live in china now and traveling the rest of Asia I've noticed this.