std::chrono::system_clock::now
From cppreference.com
 
 
 < cpp | chrono | system clock 
 
 
 C++ 
 Feature test macros (C++20)
 Concepts library (C++20)
 Metaprogramming library (C++11)
 Ranges library (C++20)
 Filesystem library (C++17)
 Concurrency support library (C++11)
 Execution control library (C++26)
Date and time library 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(C++11)
(C++20)
  (C++20)
(C++11)
(C++11)
(C++11)
(C++20)
(C++20)
(C++20)
(C++11)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)
(C++20)(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
  (C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)(C++20)(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
std::chrono::system_clock 
 
 Member functions
system_clock::now
 Time point I/O
static std::chrono::time_point <std::chrono::system_clock > now() noexcept;
 
 (since C++11) 
Returns a time point representing the current point in time.
[edit] Return value
A time point representing the current time.
[edit] Example
Run this code
#include <chrono> #include <iostream> int main() { const auto now = std::chrono::system_clock::now(); const std::time_t t_c = std::chrono::system_clock::to_time_t (now); std::cout << "The system clock is currently at " << std::ctime (&t_c); }
Possible output:
The system clock is currently at Thu Mar 30 13:28:27 2023