std::chrono::year::is_leap
From cppreference.com
constexpr bool is_leap() const noexcept; |
(since C++20) | |
Determines if *this
represents a leap year in the proleptic Gregorian calendar.
*this
represents a leap year if the stored year value
- is divisible by 4 and not divisible by 100; or
- is divisible by 400.
Return value
true if *this
represents a leap year, otherwise false.