Provides properties for accessing the current local time and universal coordinated time equivalent to greenwich mean time from the system clock 提供了用于从系统时钟中访问当前本地时间和协调通用时间等同于格林威治时间的属性。
Time difference in quarter hours between local time ( as expressed in the first 13 octets ) and utc ( universal time constant ) time ( 00 - 48 ) 当地时间与utc时间的差值（单位是1 / 4小时） ，咱们中国的是东八区， 8 * 4 = 32个四分之一小时， +号表示比格林威治时间晚。
Greenwich mean time , ltd . found that 93 % of 1996 and pre1996 bioses do not roll over successfully to 2000 or take into account that 2000 is a leap year 格林威治时间有限公司发现， 1996年和1996年以前的bios有93 %不能顺利过渡到2000年或者没有考虑2000年是闰年。
Note that for the thai buddhist calendar , which can have five - digit years , this format specifier renders all five digits . yyyyy plus any number of additional " y " specifiers 偏移量总显示为带有前导符号（零显示为“ + 0 ” ） ，指示早于格林威治时间( + )或迟于格林威治时间( - )的小时数。
The offset is always displayed with a leading sign . a plus sign indicates hours ahead of gmt and a minus sign indicates hours behind gmt . the offset ranges from 12 through 13 偏移量总显示为带有前导或尾随符号（零显示为“ + 00 ” ） ，指示早于格林威治时间( + )或迟于格林威治时间( - )的小时数。
Represents the signed time zone offset of your system from greenwich mean time measured in hours and minutes . for example , the offset for a computer in the pacific standard time zone is " - 08 : 00 " 偏移量总是显示为带有前导或尾随符号（零显示为“ + 00 : 00 ” ） ，指示早于格林威治时间( + )或迟于格林威治时间( - )的小时数。
With the gmt timestamp and the timestamp of our own timezone , it ' s possible to know how many hours our own timezone is off ( when compared to gmt ) , and this also means that it ' s now possible to display the timestamp in different timezones 现在有了格林威治时间戳和我们自己的时间戳，就可以知道两者之间的时间差，也就是说我们可以显示不同时区用户的时间了。
