convert eastern daylight time to gmt

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

Concept | advanced Java Advanced Date Concepts　　　　　　　　　　　　　　　　　　 If your Java program displays time and date to users in different time zones or different countries, you need to understand some of the more advanced aspects of the Java date

In the development process, there are two concepts related to the regional area: character encoding and time; the evolution of the Code and Time specification has a historical legacy, and it is a corner of the development of software. About

Date functionDate functions manipulate Date values (fields of date type), timestamp values (TIMESTAMP, TIMESTAMP with time ZONE, and TIMESTAMP with the fields of the local time ZONE type), and interval values (INTERVAL day to SECOND and INTERVAL

Linux time zone details and common time functions time and time zone The entire earth is divided into 24 time zones, each time zone has its own local time. ø  UTC Time and GMT time We can think of Greenwich Mean Time (GMT = UTC), GMT and

IntroductionThis document describes the Java Implementation of A DB2 User-Defined Function UDF. This function has two input parameters: a utc timestamp, for example, 2004-04-04-04.00.00.000000) and a region name such as "America/Guayaquil"), and

PHP Time and date PHP provides a large number of built-in functions that enable developers to work on time, greatly improving productivity. Describes some common PHP date and time functions and the processing of dates and times. Common date and

PHP provides a large number of built-in functions that enable developers to work on time, greatly improving productivity.Describes some common PHP date and time functions and the processing of dates and times.Frequently used date and time processing

Date(PHP 4, PHP 5, PHP 7)date- Formatting a local time/dateDescription ¶string Date ( string $format [, int $timestamp ]) Returns a string that is the result of an integer in a timestamp given format string. If no timestamp is given, the local

PHP date format a local time date(PHP 4, PHP 5)date- Formatting a local time/dateDescriptionstring date ( string $format [, int $timestamp ]) Returns a string that is the result of the timestamp of an integer in a given format string. If no