std::chrono::month_day::month,std::chrono::month_day::day (3) Linux Manual Page

std::chrono::month_day::month,std::chrono::month_day::day – std::chrono::month_day::month,std::chrono::month_day::day

Synopsis

constexpr std::chrono::month month() const noexcept; (1) (since C++20)
constexpr std::chrono::day day() const noexcept; (1) (since C++20)
Retrieves the month and day values stored in this month_day object.

Return value

1) Returns the stored std::chrono::month value.
2) Returns the stored std::chrono::day value.