# std::chrono::year

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< cpp‎ | chrono

Defined in header `<chrono>` |  |
class year; |  | (since C++20)

The class `year` represents a year in the proleptic Gregorian calendar. Its range is `[`-32767`,` 32767`]`.

`year` is a TriviallyCopyable StandardLayoutType.

### Member functions

(constructor) | constructs a `year` (public member function)
operator++operator++(int)operator--operator--(int) | increments or decrements the year (public member function)
operator+=operator-= | adds or subtracts a number of years from a `year` (public member function)
operator+operator- | applies unary operators to `year` (public member function)
is_leap | determines if the year is a leap year (public member function)
operator int | retrieve the year value (public member function)
ok | checks if the stored year value is valid (public member function)
min [static] | returns the smallest possible year value (public static member function)
max [static] | returns the largest possible `year` (public static member function)

### Non-member functions

operator==operator<=> (C++20) | compares two `year` values (function)
operator+operator- (C++20) | performs arithmetic on `year`s (function)
operator<< (C++20) | outputs a `year` into a stream (function template)
from_stream (C++20) | parses a `year` from a stream according to the provided format (function template)

### Helper classes

std::formatter<std::chrono::year> (C++20) | formatting support for `year` (class template specialization)

### Literals

Defined in inline namespace `std::literals::chrono_literals`
operator""y (C++20) | a std::chrono::year literal representing a particular year (function)

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