local time eastern time usa

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

Linux/unix-time timestamp processing conversion functionThe time function under LinuxWe can often use time in programming, such as getting the system time (to get the system's year, month, day, hour, minute, second, week, etc.), or to do something

1. Check the system time[[Email protected] ~]# DateThu Dec 23:25:33 CST 2012[[Email protected] ~]# date + "%y%m%d%h:%m:%s"20121220 23:12:542. View hardware TimeThe system clock is the clock in the current Linux kernel, and the hardware clock is a

First, the Linux common time correlation function-asctime,ctime,getttimeofday,gmtime,localtime,mktime,settimeofday,timeAsctime: Converting dates to stringsCTime: Converts a number of seconds into a stringGettimeofday: Gets the time and date based on

01. Time () provides second-level precision02.03.1 header file 04.2 function prototype05. time_t time (time_t * timer)06. The function returns the number of seconds from TC1970-1-1 0: 0 to the present07.08. Use the time () function combined with

precise timing in microseconds Long Long l1,l2,l3; Timeval TV1; Take a Time Gettimeofday (&tv,null); L1 = tv.tv_sec*1000*1000 + tv.tv_usec; Execute some code, such as algorithm 1 ... Second time taken Gettimeofday (&tv,null); L2 = tv.tv_sec*1000*1

Time () provides a second level of accuracy 1. header File 2. Function prototype time_t Time (time_t * timer) The function returns the number of seconds starting from Tc1970-1-1 0:0:0 to now Use the time () function with other

Http://net.pku.edu.cn/~yhf/linux_c/function/04.html 　 Asctime (the time and date are represented in string format) Related functions Time,ctime,gmtime,localtime Table header File

//-------------------------------------------------------------// Asctime (representing time and date in string format) #include Defining functions char * asctime (const struct TM * timeptr);Function description asctime () converts the

Type description of the timeTimeTimeTime ：日历时间。1970年1月1日0点到此时的秒数。Time acquisition functiontime_t time (time_t *t);Function Description: This function returns the number of seconds that have elapsed since January 1, 1970 00:00 00 seconds. If time_t