Well, I only know how it tends to work in China, where the traditional calendar is used for cultural events such as festivals, while the Gregorian calendar is used for just about everything else, including domestic business. I assumed it’s the same in most modern cultures with a different traditional calendar, but maybe I’m wrong.
Unfortunately, that’s not true. Dodge vs Ford Motor Co established the precedent of shareholder primacy when Henry Ford was successfully sued for attempting to reduce dividends in favor of reinvesting profits.