我需要把ut制度的时间改为当地时间,并找到相应的ut。 我也想到时间区。 就我所知,系统时间 时间没有这方面的信息。
任何人都拥有确定UTC被抵消和时间区的良好方法?
这里就是这样做的一种方式。
......
long int SBias, SSeconds, LSeconds;
SYSTEMTIME STime, LTime; SystemTimeToTzSpecificLocalTime (&TZ, &STime, <ime);
SSeconds = 3600L * STime.wHour + 60L * STime.wMinute + STime.wSecond;
LSeconds = 3600L * LTime.wHour + 60L * LTime.wMinute + LTime.wSecond;
SBias = 60L * (TZ.Bias + TZ.StandardBias);
SSeconds -= SBias;
if (SSeconds < 0) SSeconds += 24L * 3600L;
if (SSeconds == LSeconds)
{
tmX.tm_isdst = 0;
StdTime = true;
}
else
{
tmX.tm_isdst = 1;
StdTime = false;
}
......
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