example3_time_points.cpp

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#include <iostream>
#include <chrono>

int main() {
    using namespace std::chrono;

    // Get the current time as a time point
    system_clock::time_point now = system_clock::now();

    // Add 1 hour to the current time
    system_clock::time_point one_hour_later = now + hours(1);

    // Convert time point to time_t to print as calendar time
    time_t now_c = system_clock::to_time_t(now);
    time_t later_c = system_clock::to_time_t(one_hour_later);

    std::cout << "Current time: " << std::ctime(&now_c);
    std::cout << "One hour later: " << std::ctime(&later_c);

    return 0;
}