System time

（重定向自System date）

In computer science and computer programming, system time represents a computer system's notion of the passing of time. In this sense, time also includes the passing of days on the calendar.

System time is measured by a system clock, which is typically implemented as a simple count of the number of ticks that have transpired since some arbitrary starting date, called the epoch. For example, Unix and POSIX-compliant systems encode system time ("Unix time") as the number of seconds elapsed since the start of the Unix epoch at 1 January 1970 00:00:00 UT, with exceptions for leap seconds. Systems that implement the 32-bit and 64-bit versions of the Windows API, such as Windows 9x and Windows NT, provide the system time as both SYSTEMTIME, represented as a year/month/day/hour/minute/second/milliseconds value, and FILETIME, represented as a count of the number of 100-nanosecond ticks since 1 January 1601 00:00:00 UT as reckoned in the proleptic Gregorian calendar.

单词	System date
释义	System date 原声例句 VOA Special 2023年2月合集 The canals are the only remaining part of a once large waterway system dating back to Aztec times. 这些运河是阿兹特克时代大型水道系统中仅存的一部分。 CNN 10 学生英语 2022年3月合集 Founded in 1973, to replace the dated Telex transfer system, SWIFT handles the majority of international money transfers and settlement of trades. 该公司成立于1973年，以取代过时的电传转帐系统，SWIFT处理大部分的国际汇款和贸易结算。 6 Minute English 六分钟英语 Old tech is everywhere. Did you know that the US nuclear weapons force still uses a computer system dating back to the 1970s with 8-inch floppy disks? 过时的科技产品无处不在。你知道吗？美国核武器军队仍然使用20世纪70年代带有8英寸软盘的电脑系统，。英语百科 System time （重定向自System date） In computer science and computer programming, system time represents a computer system's notion of the passing of time. In this sense, time also includes the passing of days on the calendar. System time is measured by a system clock, which is typically implemented as a simple count of the number of ticks that have transpired since some arbitrary starting date, called the epoch. For example, Unix and POSIX-compliant systems encode system time ("Unix time") as the number of seconds elapsed since the start of the Unix epoch at 1 January 1970 00:00:00 UT, with exceptions for leap seconds. Systems that implement the 32-bit and 64-bit versions of the Windows API, such as Windows 9x and Windows NT, provide the system time as both `SYSTEMTIME`, represented as a year/month/day/hour/minute/second/milliseconds value, and `FILETIME`, represented as a count of the number of 100-nanosecond ticks since 1 January 1601 00:00:00 UT as reckoned in the proleptic Gregorian calendar.
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