Setting Date and Time
From Openmoko
See also Timezone for instructions on changing the time zone.
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Setting the date/time using "date"
To change the date on your Freerunner, issue one of the following commands:
date -s MMDDhhmm date -s MMDDhhmmYYYY date -s MMDDhhmmYYYY.ss
where MM is the month, 01-12; DD is the day, 01-31; hhmm is the time, 0000-2359; YYYY is the optional year, and .ss is the optional seconds.
Setting the date/time automatically with NTP
If your Freerunner is connected to the internet, you can instead set the time automatically:
opkg install ntpclient ntpclient -s -h pool.ntp.org
Syncing the hardware clock
No matter which method you used above, sync the hardware clock with the system time to make your change persist over reboots:
hwclock --systohc
Future Work
Presumably it might also be possible to use gpspipe (or something else) to set the date once you have a gps fix? In addition, the phone stack should set the date, time, and timezone once connected to a network.