User`s manual

IA260-261-262 EM-2260 LX User’s Manual Managing Embedded Linux
Adjusting the System Time
Setting the Time Manually
The IA260/IA261/IA262/EM-2260 has two time settings. One is the system time, and the other is
the RTC (Real Time Clock) time kept by the IA260/IA261/IA262/EM-2260’s hardware. Use the
#date command to query the current system time or set a new system time. Use #hwclock to query
the current RTC time or set a new RTC time.
Use the following command to query the system time:
#date
Use the following command to query the RTC time:
#hwclock
Use the following command to set the system time:
#date MMDDhhmmYYYY
MM = Month
DD = Date
hhmm = hour and minute
YYYY = Year
Use the following command to set the RTC time:
#hwclock –w
The following figure illustrates how to update the system time and set the RTC time.
192.168.3.127 – PuTTY
root@Moxa:~# date
Fri Jun 23 23:30:31 CST 2000
root@Moxa:~# hwclock
Fri Jun 23 23:30:35 2000 -0.557748 seconds
root@Moxa:~# date 120910002004
Thu Dec 9 10:00:00 CST 2004
root@Moxa:~# hwclock –w
root@Moxa:~# date ; hwclock
Thu Dec 9 10:01:07 CST 2004
Thu Dec 9 10:01:08 2004 -0.933547 seconds
root@Moxa:~#
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