About GMT and UTCFirst, IntroductionMany people know that the two-way schedule is referred to as GMT or UTC, and the World Time Zone table is referred to as universal, so what is the actual intent of GMT and UTC? How is the world time zone
The time in PHP has two formatting functions: Date () and gmdate (), which are described in the official document as follows:
Date-format a local time/date
Gmdate-format a gmt/UTC date/time and return the Greenwich Mean Time (GMT ).
For example, if
UT-World Time
Universal TimeThe world is the earliest time standard.In 1884, the international 1s was defined as the 1/8.64x104 of the daily average length of the year. The time system formed by this standard, called the World, is UT1.The
This article mainly introduces the difference between date and gmdate in PHP and the default time zone settings. For more information, see
I. What is the difference between date and gmdate?The PHP time function has two formatting functions: date ()
On the concept of time zones, in fact, junior high school geography has been involved, many people have some understanding of some, may be just the details do not understand. Why would the Earth be divided into different time zones? Because the
NSDate is stored in world standard Time (UTC) and needs to be converted to local time when output
It seems to be starting from ios4.1 [NSDate Date]; It's GMT time, which is 8 hours away from Beijing time, and the following code solves this problem.
Atitit. Get Beijing Time CST function API Summary O71. Get CST time ( Beijing time ) two cloth:1. Crawl URL Timtstamp >>format to the CST 12. Set the native time setsystime(date); : Called command line, only supported for Windows and Linux Systems
Atitit. Get Beijing Time CST function API Summary O71. Get CST time ( Beijing time ) two cloth:1. Crawl URL Timtstamp >>format to the CST 1 2. Set native time setsystime : The command line that is called can only support windows Span style=
Introduction: Any enterprise application needs to deal with time issues. The application needs to know the current point-in-time and the next point in time, and sometimes they must also compute the path between the two points in time. Using JDK to
In the CentOS 6 version, the time setting has the date, Hwclock command, starting with CentOS 7, using a new command timedatectl.
I. Basic CONCEPTS
1.1 GMT, UTC, CST, DST time
(1) UTC
The whole earth is divided into 24 time zones, each of which
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