Question

How to convert a string containing time to time_t in C++

Answer 1

#include <iostream>
#include <sstream>
#include <ctime>
#include <iomanip>
 
int main() {
    std::istringstream ss("11:41:17");
     
    struct std::tm tm;
    ss >> std::get_time(&tm, "%H:%M:%S");
    std::cout << std::put_time(&tm, "%H:%M:%S") << '\n';
    
    std::time_t timet = mktime(&tm);
    std::cout << asctime(gmtime(&timet));
}
 
 
 
 
/*
run:
 
11:41:17
Mon Sep 23 11:41:17 -7201818
 
*/

 

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