TAILIEUCHUNG - JavaScript Bible, Gold Edition part 113

JavaScript Bible, Gold Edition part 113. This book will bring programmers and non-technical professionals, including casual programmers and scripters, painlessly up to speed on all aspects of mastering JavaScript. Key topics include programming fundamentals, JavaScript language elements and how to use them effectively, and how to easily and efficiently add powerful new functionality to HTML documents and Java applets. | 968 Part IV JavaScript Core Language Reference across what appears to us as a stationary sky. In point of fact I believe Copernicus s theories so delete that e-mail you were about to send me. From the point of view of the time zone over which the Sun is positioned at any given instant all time zones to the east have already had their noon so it is later in the day for them one hour later per time zone except for those few time zones offset by fractions of an hour . That s why when . television networks broadcast simultaneously to the eastern and central time zones the announced schedule for a program is 10 eastern 9 central. Many international businesses must coordinate time schedules of far-flung events. Doing so and taking into account the numerous time zone differences not to mention seasonal national variations such as daylight saving time would be a nightmare. To help everyone out a standard reference point was devised the time zone running through the celestial observatory at Greenwich pronounced GREN-itch England. This time zone is called Greenwich Mean Time or GMT for short. The mean part comes from the fact that on the exact opposite side of the globe through the Pacific Ocean is the international date line another world standard that decrees where the first instance of the next calendar day appears on the planet. Thus GMT is located at the middle or mean of the full circuit of the day. Not that many years ago GMT was given another abbreviation that is not based on any one language of the planet. The abbreviation is UTC pronounced as its letters yu-tee-see and the English version is Coordinated Universal Time. Whenever you see UTC it is for all practical purposes the same as GMT. If your personal computer s system clock is set correctly the machine ticks away in GMT time. But because you set your local time zone in the appropriate control panel all file time stamps and clock displays are in your local time. The machine knows what the offset time is .

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