The locale to use for formatting the month name.
The month (0 for January, 1 for February, etc.).
Optional
format: "short" | "long" | "narrow" = 'long'The format to use for the month name.
Optional
calendar: "gregory" | "islamic" = 'gregory'The calendar to use for formatting the month name.
The localized name of the month.
Returns the localized name of a month for a given locale, format, and calendar.