std::chrono::day::day

From cppreference.com
< cpplrm; | chronolrm; | day
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
day() = default;
(1) (since C++20)
explicit constexpr day(unsigned d) noexcept;
(2) (since C++20)

Constructs a day object.

1) Default constructor leaves the day value uninitialized.
2) If d <= 255, constructs a day object holding the day value d. Otherwise the value held is unspecified.