Time zone resolution and how to adjust the time zone in Linux preface today we found that the system time of Centos6.0-64bit in Vmware is several hours different from that of the host machine. after adjusting the system time, restart and restore the
JS Time zone function:Set Datename to a Date object created====================Datename.gettimezoneoffset ()--Gets the difference between local time and GMT time (GMT) and returns the value in minutes====================For example: Obtain GMT time
Time zone resolution and how to adjust the time zone in Linux preface today we found that the Centos 6.0-64bit system time in Vmware differs from the host time for several hours, after adjusting the system time, restart and restore the system. So I
Js time zone functions:
Set datename to a created Date object
================================Datename. getTimezoneOffset ()-- Get the difference between the local time and GMT time (Greenwich Mean Time). The return value is in minutes.==============
Js time zone functions:Set datename to a created Date object================================Datename. getTimezoneOffset ()-- Get the difference between the local time and GMT time (Greenwich Mean Time). The return value is in minutes.================
Definitions and usageThe getTimezoneOffset () method returns the difference in minutes between Greenwich and local time.
GrammarDateobject.gettimezoneoffset () return valueThe time difference between local time and GMT times, in minutes.
In the
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
For the Division of time zones, see Wikipedia: http://zh.wikipedia.org/wiki/%E6%99%82%E5%8D%80
In Java, the time class has two key classes:
Java. util. Calendar;
Java. util. Date;
When I was using the PostgreSQL database today, a timestamp with
Http://www.linuxidc.com/Linux/2010-09/28537.htmThe exchange of date and timestamp under Linux1. Date to timestamp:$ Date-d ' 2009-12-01 23:20 ' +%s 12596808002. Timestamp to date$ Date-d ' 1970-01-01 1259680800 sec UTC ' Tue Dec 1 23:20:00 CST 20093.
Internal storage format:
century, year, month, day, hour, minute, second
The default format is: DD-MON-RR.
Sysdate returns the current system time.
SELECT sysdate from DUAL;
The mathematical operation of a date
SELECT (sysdate-hire_date)/7 from
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