timestamp iso 8601 format

Recently imported data in PostgreSQL, encountering time problems, combing the time in the database:1. Basic Concepts1.1 Date: That is the commonly said year, month, and day, the following is a list of valid date formats: Example

Concept:UNIX timestamp: Unix timestamp (UNIX epoch, Unix time, POSIX time, or Unix timestamp)It is the number of seconds that have elapsed since January 1, January 1, 1970 (midnight UTC/GMT), regardless of the leap second.The UNIX timestamp 0

PHPdate format a local time/date. Date (PHP4, PHP5) date format a local time/date description stringdate (string $ format [, int $ timestamp]) returns the string date generated by the integer timestamp according to the given format string (PHP 4,

So far, PHP date function date formatting characters and descriptions of some PHPUnix timestamp functions as well as conversion and formatting of each other's output instances have been completed, this is essential for understanding the calculation

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

Date (PHP 4, PHP 5) date-formatting a local time/date DescriptionString 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 timestamp is given, the local current

This example describes how to convert the date format of the PHP date function. During website development, we often need to process the date and time. in PHP, many date and time functions are provided to facilitate PHP developers to calculate and

During website development, we often need to process the date and time. in PHP, many date and time functions are provided to facilitate PHP developers to calculate and convert the date and time formats. Therefore, it is necessary to master the PHP

Date (PHP 4, PHP 5) Date-format a local time/dateDescription: string date (string $ format [, int $ timestamp]) Returns the string generated by the integer timestamp according to the given format string. If no timestamp is provided, the current

During website development, we often need to process the date and time. In PHP, many date and time functions are provided to facilitate PHP developers to calculate and convert the date and time formats. Therefore, it is necessary to master the PHP