U+324B "㉋" Circled Number Forty on Black Square Unicode Character

U+324B "㉋" Circled Number Forty on Black Square is a specialized typographic symbol belonging to the Enclosed CJK Letters and Months block, designed for use in contexts where a visually distinct, enclosed numeric label is required. Its appearance combines the number 40, rendered in white or light type, inside a circular outline, which is itself set against a filled black square background, creating a high-contrast icon. This character is primarily employed in East Asian environments, such as in lists, calendars, or signage, to denote the fortieth item or day, and it functions similarly to other enclosed alphanumeric symbols, offering a clear and compact representation without relying on markup or images.