如何利用C语言来获取当地时间和UTC时间（设当地时间是北京时间）

比眉伴天荒 2022-04-17 00:07 350阅读 0赞

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#include  <stdio.h>  #include  <time.h>  int main(){ time_t t = time(NULL);  tm *tp = localtime(&t);   // 北京时间 printf("%d/%d/%d\n", tp->tm_mon+1, tp->tm_mday, tp->tm_year + 1900);   printf("%d:%d:%d\n", tp->tm_hour, tp->tm_min, tp->tm_sec);   return 0;}

#include  <stdio.h>  #include  <time.h>  int main(){ time_t t = time(NULL);  // UTC秒数 tm *tp = localtime(&t);  // 北京时间 printf("%d/%d/%d\n", tp->tm_mon+1, tp->tm_mday, tp->tm_year + 1900);   printf("%d:%d:%d\n", tp->tm_hour, tp->tm_min, tp->tm_sec);  // UTC今天秒数 int second1 = t % (24 * 60 * 60); printf("%d\n", second1); // 北京时间今天秒数 int second2 = tp->tm_hour * 3600 + tp->tm_min * 60 + tp->tm_sec; printf("%d\n", second2); // UTC时间与北京时间相隔的小时数 printf("%d\n", (second1 - second2) / 3600); // -8  return 0;}

#include  <time.h>  #include  <stdio.h>  #include <wtypes.h>int main(int argc, char* argv[]){ SYSTEMTIME stCurTime = {
        0}; GetSystemTime(&stCurTime); // UTC时间 printf("%d/%d/%d\n", stCurTime.wMonth, stCurTime.wDay, stCurTime.wYear);   printf("%d:%d:%d\n", stCurTime.wHour, stCurTime.wMinute, stCurTime.wSecond);  printf("----------\n"); GetLocalTime(&stCurTime);  // 北京时间 printf("%d/%d/%d\n", stCurTime.wMonth, stCurTime.wDay, stCurTime.wYear);   printf("%d:%d:%d\n", stCurTime.wHour, stCurTime.wMinute, stCurTime.wSecond);   return 0;}

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