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1         FDateTime Time = FDateTime::Now();
2         //获取时间戳
3         int64 Timestamp = Time.ToUnixTimestamp();
4         UE_LOG(LogTemp, Warning, TEXT("%d"), Timestamp);

将 Unix Timestamp 转换为年月日（year, month, day）

 1 FDateTime Time = FDateTime::FromUnixTimestamp(int64 UnixTime); 

获取系统当前日期时间：年月日时分秒

    int64 Timestamp = Time.ToUnixTimestamp();
    UE_LOG(LogTemp, Warning, TEXT("%d"), Timestamp);
    int year = Time.GetYear();
    int month = Time.GetMonth();
    int day = Time.GetDay();
    int hour = Time.GetHour();
    int minute = Time.GetMinute();
    int second = Time.GetSecond();
    UE_LOG(LogTemp, Warning, TEXT("时间:%d, %d, %d, %d, %d, %d"), year, month, day, hour, minute, second);

原文地址：https://blog.csdn.net/weixin_41946900/article/details/103068557