2070 / C / Дата і час

#include <stdio.h>
#include <time.h>
 
int main()
{
  time_t seconds;

  seconds = time(NULL);
  printf("Seconds since January 1, 1970 = %ld\n", seconds);
  return(0);
}

Seconds since January 1, 1970 = 1681367871