time_show.h

#pragma once
#include <chrono>  // chrono::system_clock
#include <ctime>   // localtime
#include <sstream> // stringstream
#include <iomanip> // put_time
#include <string>  // string

std::string return_current_time_and_date()
{
    auto now = std::chrono::system_clock::now();
    auto in_time_t = std::chrono::system_clock::to_time_t(now);

    std::stringstream ss;
    //ss << std::put_time(std::localtime(&in_time_t), "%Y-%m-%d %X");
    ss << std::put_time(std::localtime(&in_time_t), "%d-%m-%Y %X");
    
    return ss.str();
}

std::string show_current_time()
{
    time_t rawtime;
    struct tm* timeinfo;
    char buffer[80];

    time(&rawtime);
    timeinfo = localtime(&rawtime);

    strftime(buffer, sizeof(buffer), "%d-%m-%Y %H:%M:%S", timeinfo);
    std::string str(buffer);

    //std::cout << str;

    return str;
}