????????? ???? 2040 ( MMXL ) ??? ????? a leap year starting on ????? ? ?????? ????? ???????? ?????, the 2040 ?? year of the Common Era (CE) and Anno Domini (AD) designations, 3 ?? ??????????? ??? 40 ?? ???, 21 ?? ????? ??? 40 ?? ???, ?? 2040???? ??????? 1 ?? ??? .