可以把把一个时间戳转换为当前的时间。
_LIT(KTimeUtc, "19700000:000000");
TInt sec;
TTime time(KTimeUtc);
TTimeIntervalSeconds interval(1293230200);
time += interval;
TBuf<256> timeAsText;
_LIT ( KTimeFormat, "%Y%M%D%1-%2-%3 %H:%T:%S");//"%D%M%Y%/0%1%/1%2%/2%3%/3 %H:%T:%S " );
time.FormatL(timeAsText, KTimeFormat);
DBGPRINTF(timeAsText);