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std::chrono::weekday - cppreference.com

From cppreference.com

Defined in header <chrono>

class weekday;

 (since C++20)

inline constexpr std::chrono::weekday Sunday{0};

 (since C++20)

inline constexpr std::chrono::weekday Monday{1};

 (since C++20)

inline constexpr std::chrono::weekday Tuesday{2};

 (since C++20)

inline constexpr std::chrono::weekday Wednesday{3};

 (since C++20)

inline constexpr std::chrono::weekday Thursday{4};

 (since C++20)

inline constexpr std::chrono::weekday Friday{5};

 (since C++20)

inline constexpr std::chrono::weekday Saturday{6};

 (since C++20)

The class weekday represent a day of the week in the proleptic Gregorian calendar. Its normal range is [0, 6], for Sunday through Saturday, but it can hold any value in the range [0, 255]. Seven named constants are predefined in the std::chrono namespace for the seven days of the week.

weekday is a TriviallyCopyable StandardLayoutType.

Member functions

constructs a weekday
(public member function) [edit]
increments or decrements the weekday
(public member function) [edit]
adds or subtracts a number of days
(public member function) [edit]
retrieves the stored weekday value
retrieves ISO 8601 weekday value
(public member function) [edit]
checks if the stored weekday value is valid
(public member function) [edit]
convenience syntax for constructing a weekday_indexed or weekday_last from this weekday
(public member function) [edit]

Nonmember functions

Helper classes

Example

#include <chrono>
#include <iostream>

int main()
{
    std::chrono::weekday x{42 / 13};
    std::cout << x++ << '\n';
    std::cout << x << '\n';
    std::cout << ++x << '\n';
}

Output:

See also