std::chrono::system_clock::now

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< cpp‎ | chrono‎ | system clock

Date and time library
Time point
(C++11)
(C++20)
Duration
(C++11)
Clocks
(C++11)
(C++11)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
Time of day
(C++20)(C++20)
(C++20)(C++20)
(C++20)

Calendar
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)
Time zone
(C++20)
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(C++20) (C++20) (C++20) (C++20)
(C++20)
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(C++20)
(C++20)
(C++20)
(C++20)
chrono I/O
(C++20)
C-style date and time
static std::chrono::time_point < std::chrono::system_clock > now( ) noexcept ;
(since C++11)

Returns a time point representing the current point in time.

Return value

A time point representing the current time.

Example

#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