std::chrono::system_clock::to_time_t (3) - Linux Manuals

std::chrono::system_clock::to_time_t: std::chrono::system_clock::to_time_t

NAME

std::chrono::system_clock::to_time_t - std::chrono::system_clock::to_time_t

Synopsis

static std::time_t to_time_t( const time_point& t ) noexcept; (since C++11)

Converts t to a std::time_t type.
If std::time_t has lower precision, it is implementation-defined whether the value is rounded or truncated.

Parameters

t - system clock time point to convert

Return value

A std::time_t value representing t.