std::chrono::year::year

From cppreference.com
< cpplrm; | chronolrm; | year
Date and time utilities
(C++11)
(C++11)
Clocks
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
Calendars
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
Time zones
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
C-style date and time
year() = default;
(since C++20)
explicit constexpr year(int y) noexcept;
(since C++20)

Constructs a year object.

1) Default constructor leaves the year value uninitialized.
2) If y is in the range [-32767, 32767], constructs a year object holding the year value y. Otherwise the value held is unspecified.